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const fs = require('fs');

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// Build the big comparison table rows
const tableData = [
  ["1st Month", "Kalala (semi-liquid mass)\n(Su.Sha.3/17)", "Ghana / Kapha-like mass\n(Ch.Sha.4/8)", "Ghana\n(A.Hr.Sha.1/49)", "Fertilisation; embryo 4-5 mm; heart, spinal cord begin forming; HCG secreted"],
  ["2nd Month", "Ghana (compact mass); Pinda=male, Peshi=female, Arbuda=hermaphrodite\n(Su.Sha.3/18)", "Ghana formed; sex of foetus determined by shape\n(Ch.Sha.4/10)", "Same as Charaka/Sushruta\n(A.Hr.Sha.1/49-50)", "3 germ layers (ectoderm, mesoderm, endoderm) formed; limb buds appear; embryo ~1 cm"],
  ["3rd Month", "Five pin\u1e0da (buds for head + 4 limbs) appear; Anga-pratyanga (organs) begin subtly\n(Su.Sha.3/18)", "Anga-pratyanga are subtle/indistinct\n(Ch.Sha.4/10)", "Similar to above\n(A.Hr.Sha.1/50)", "Face, nails, earlobes form; arms, hands & fingers fully formed; foetus 60-70 mm, ~12-14 g"],
  ["4th Month", "Anga-pratyanga distinct; heart, consciousness (chitta), Indriya established; quickening (foetal movements felt)\n(Su.Sha.3/19)", "Manifestation of heart; Daurhridya (longings of the foetus mother) begins\n(Ch.Sha.4/11)", "Heart, consciousness, Indriya develop\n(A.Hr.Sha.1/50-51)", "Quickening felt by mother; sex identifiable on USG; foetal circulation established; ~16 cm, 100 g"],
  ["5th Month", "Skin, hair, complexion develop; baby more distinct\n(Su.Sha.3/19)", "Manas (mind) develops; baby grows in strength\n(Ch.Sha.4/12)", "Growth of flesh and blood\n(A.Hr.Sha.1/51)", "Reflexes (sucking, swallowing) begin; hair growth on head; ~25 cm, 270-300 g"],
  ["6th Month", "Buddhi (intellect) and Bala (strength) develop\n(Su.Sha.3/30)", "Bala-varna-upachaya: strength and complexion improve\n(Ch.Sha.4/22)", "Intellect matures\n(A.Hr.Sha.1/51)", "Immune system begins; alveoli forming in lungs; skin wrinkled and red; ~21 cm, 630 g"],
  ["7th Month", "Sarva-anga-pratyanga complete (all body parts fully formed)\n(Su.Sha.3/30)", "All organs fully formed\n(Ch.Sha.4/22)", "Complete organ differentiation\n(A.Hr.Sha.1/52)", "Baby active; fat layers forming; eyes partially open; eyelashes present; ~25 cm, 1100 g"],
  ["8th Month", "Ojas transfers between mother and child alternately (unstable period)\n(Su.Sha.3/30)", "Ojas migrates between mother and foetus; child born in 8th month may not survive\n(Ch.Sha.4/22)", "Ojas transfer; birth in 8th month inauspicious\n(A.Hr.Sha.1/62)", "Rapid brain and body growth; lungs nearly mature; strong kicks visible externally; ~28 cm, 1800 g"],
  ["9th Month", "Complete maturation; delivery occurs\n(Su.Sha.3/30)", "Full development; delivery expected\n(Ch.Sha.4/22)", "Full development, ready for birth\n(A.Hr.Sha.1/52)", "Fully developed; lungs mature; skin pink; testes in scrotum; 32-36 cm, 2500-3400 g; baby descends into pelvis"],
];

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// DOCUMENT
const doc = new Document({
  creator: "Ayurveda Embryology Compilation",
  title: "Masanumasik Garbhavridhi",
  description: "Month-wise foetal development according to Ayurveda and Modern Science",
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      children: [
        // ============================================================
        // PAGE 1 - Title + Introduction + Ayurvedic concepts
        // ============================================================
        titleParagraph,
        subtitleParagraph,
        subtitleParagraph2,

        new Paragraph({ text: "", spacing: { after: 120 } }),

        // Introduction heading
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          children: [new TextRun({ text: "1. Introduction", bold: true, size: 28, color: WHITE, font: "Calibri" })],
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        body("Masanumasik Garbhavridhi (मासानुमासिक गर्भवृद्धि) means the month-by-month growth and development of the foetus as described in classical Ayurvedic texts. This concept forms the core of Garbha Sharira (Ayurvedic embryology) and is detailed primarily in the Sharira Sthana of the three Brihatrayi texts: Charaka Samhita, Sushruta Samhita, and Ashtanga Hridayam (Vagbhata). Additional references appear in Ashtanga Sangraha, Kashyapa Samhita, Harita Samhita, and Garbhopanishad."),
        body("The term breaks down as: Masa (month) + Anumasika (one after another/sequential) + Garbha (foetus/embryo) + Vridhi (growth/development). Together it describes how the embryo progressively acquires structural, physiological, and consciousness-related attributes from conception to term."),
        body("A remarkable feature of this Ayurvedic account is its integration of Panchamahabhuta (five elements), Tridosha (Vata-Pitta-Kapha), and the concept of Atma (consciousness) alongside purely physical structural milestones - creating a holistic embryological framework that predates modern science by over two millennia."),

        new Paragraph({ text: "", spacing: { after: 80 } }),

        // Ayurvedic Basics
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          children: [new TextRun({ text: "2. Foundational Concepts in Ayurvedic Embryology", bold: true, size: 28, color: WHITE, font: "Calibri" })],
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        new Paragraph({
          children: [new TextRun({ text: "2.1 Garbha Sambhava Samagri (Essential factors for conception)", bold: true, size: 24, color: SAFFRON, font: "Calibri" })],
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        body("Classical texts enumerate six factors necessary for foetal formation:"),
        bullet("Ritu (favourable time / ovulatory period)"),
        bullet("Kshetra (receptive uterine field / Garbhashaya)"),
        bullet("Ambu (nutritional fluid / Rasa dhatu)"),
        bullet("Bija (seed) - Shukra (sperm/paternal factor) & Artava (ovum/maternal factor)"),
        bullet("Atma (soul / consciousness)"),
        bullet("Satmya (wholesomeness of regimen)"),

        new Paragraph({ text: "", spacing: { after: 60 } }),

        new Paragraph({
          children: [new TextRun({ text: "2.2 Early Embryonic Stages (Prathama Garbha)", bold: true, size: 24, color: SAFFRON, font: "Calibri" })],
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        body("Following fertilisation, Ayurvedic texts describe four sequential embryonic forms before the monthly phases begin:"),
        bullet("Kalala - a gelatinous, semi-fluid mass (1st month; equivalent to morula/blastocyst stage)"),
        bullet("Ghana - a condensed compact mass (2nd month; correlates with organogenesis onset)"),
        bullet("Pinda / Peshi / Arbuda - shapes determining sex: Pinda (round) = male; Peshi (elongated) = female; Arbuda (tumour-like) = hermaphrodite"),
        bullet("Anga-pratyanga - differentiation into major (anga) and minor (pratyanga) body parts from the 3rd month onward"),

        new Paragraph({ text: "", spacing: { after: 60 } }),

        new Paragraph({
          children: [new TextRun({ text: "2.3 Role of Tridosha in Foetal Development", bold: true, size: 24, color: SAFFRON, font: "Calibri" })],
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        body("The three doshas govern distinct aspects of foetal construction:"),
        bullet("Vata: responsible for all movements, division and differentiation of cells, development of sense organs, nervous system, and life force"),
        bullet("Pitta: governs metabolic transformation, development of intelligence (Buddhi), eyes, skin complexion, digestive capacity"),
        bullet("Kapha: provides structural cohesion, nourishment, growth, formation of bodily tissues (Dhatus), lubrication"),

        // PAGE 2 - Month-wise detail
        pageBreak(),

        new Paragraph({
          children: [new TextRun({ text: "3. Masanumasik Garbhavridhi - Month-wise Account", bold: true, size: 28, color: WHITE, font: "Calibri" })],
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        body("The following section details each lunar month of pregnancy as described in the major texts, alongside the corresponding modern embryological findings."),

        new Paragraph({ text: "", spacing: { after: 80 } }),

        // Month 1
        new Paragraph({ children: [new TextRun({ text: "Month 1 - Prathama Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 100, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Sushruta Samhita - Su.Sha.3/17): \"Tatra prathame masi kalalam jayate\" - In the first month, Kalala is formed. This is a gelatinous, semi-fluid, condensed mass produced from the union of Shukra and Artava energised by Atma. Charaka (Ch.Sha.4/8) describes it as resembling Kapha (a mucoid, cohesive mass). Vagbhata concurs.", { italic: true }),
        body("Modern Embryology: Ovulation occurs; fertilisation forms the zygote within 24-48 hours. Rapid mitotic cleavage produces the morula and blastocyst. Implantation occurs ~6-7 days post-fertilisation. By end of month 1: embryo is 4-5 mm; heart, spinal cord, digestive system begin forming; HCG secretion starts maintaining corpus luteum."),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 2
        new Paragraph({ children: [new TextRun({ text: "Month 2 - Dvitiya Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 100, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Su.Sha.3/18): The Panchamahabhuta Sanghata is acted upon by Shita (Kapha), Ushna (Pitta), and Anila (Vata) to produce Ghana (a firm condensed mass). Shape determines sex: Pinda = male, Peshi = female, Arbuda = hermaphrodite. Harita Samhita mentions formation of Garbha Ankuras (buds) for hands, legs, and head by the 50th day. Garbhopanishad states that the head is formed in the 2nd month.", { italic: true }),
        body("Modern Embryology: Three germinal layers (ectoderm, mesoderm, endoderm) form via gastrulation. Limb buds, heart, neural tube develop. Embryo is ~1 cm by week 5-8. Organogenesis begins. By week 8: eyes, nose, upper lip take shape; embryo ~2.5 cm."),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 3
        new Paragraph({ children: [new TextRun({ text: "Month 3 - Tritiya Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 100, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Su.Sha.3/18): \"Tritiye hasta-pada-shirasa panca pindi nibartante anga-pratyanga vibhagasca suksmo bhavati\" - In the 3rd month, the five buds representing two hands, two feet, and the head appear; the division of anga (major organs) and pratyanga (minor parts) becomes subtle/indistinct. The Garbha has started becoming more structured but the organs are not yet fully distinct.", { italic: true }),
        body("Modern Embryology: By end of 12 weeks (3rd month/1st trimester): the face is well-formed; sex organs begin developing; nails appear; earlobes form. Arms, hands, fingers, legs, feet, and toes are fully formed. Most organs and tissues have developed. Foetus is 60-70 mm, ~12-14 g. Heart beat audible on Doppler."),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 4
        new Paragraph({ children: [new TextRun({ text: "Month 4 - Chaturtha Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 100, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Ch.Sha.4/11, Su.Sha.3/19): Anga-pratyanga become distinctly visible. Most significantly, the heart (Hridaya) - the seat of consciousness - becomes established. Chetana (consciousness/sensation) is now resident. The foetus develops Manas (mind) and Indriya (sense organs). Foetal movements are felt by the mother - this is called Daurhridya ('the desires of the child's heart') and quickening begins. The mother develops unusual cravings, believed to reflect foetal desires.", { italic: true }),
        body("Modern Embryology: Quickening (foetal movements) first felt by the mother (~16-20 weeks in primigravida). Foetal circulation fully established. Sex is identifiable on ultrasound. Foetus is ~16 cm, ~100 g. Placenta fully functional. Amniotic fluid volume increases."),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 5
        new Paragraph({ children: [new TextRun({ text: "Month 5 - Pancama Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 100, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Ch.Sha.4/12, Su.Sha.3/19): Manas (mind) development occurs and the foetus grows in Bala (strength). Skin, hair, and complexion begin to develop. The consciousness of the child strengthens. Vagbhata mentions the development of flesh and blood (Mamsa-Rakta) in this month.", { italic: true }),
        body("Modern Embryology: Reflexes such as sucking and swallowing develop (~18-20 weeks). Hair begins to grow on the baby's head; lanugo (fine body hair) appears. The mother's uterus is clearly palpable above the umbilicus. Foetus is ~25 cm, ~270-300 g. Vernix caseosa begins forming on skin."),

        // PAGE 3 - Months 6-9 + Comparative table + Summary
        pageBreak(),

        new Paragraph({ children: [new TextRun({ text: "Month 6 - Shashtha Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 0, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Ch.Sha.4/22 - \"Shashthe masi garbhasya bala-varnopachayo bhavaty-adhikam-anyebhyo masebhyah\"; Su.Sha.3/30 - \"Shashthe buddhih\"): The 6th month sees the most significant gain in Bala (strength) and Varna (complexion/skin) compared to other months. Sushruta specifically attributes the development of Buddhi (intellect/cognition) to this month.", { italic: true }),
        body("Modern Embryology: The foetal immune system begins developing and creates its own antibodies. Lungs continue developing; alveoli are forming. Skin is wrinkled and red. Foetus opens eyes partially and responds to sound. Size: ~21 cm, ~630 g. Eyelashes appear."),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 7
        new Paragraph({ children: [new TextRun({ text: "Month 7 - Saptama Masa", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 80, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Su.Sha.3/30 - \"Saptame sarvangu-pratyangavibhagah pravyaktataro\"): In the 7th month, ALL anga (major organs) and pratyanga (subsidiary structures) are completely and clearly formed. The foetal body is considered fully formed though the child is not yet ready for independent survival.", { italic: true }),
        body("Modern Embryology: Baby is very active; movements are visible externally. Subcutaneous fat layers are forming. Eyes are partially open; eyelashes are present. Thin skin covered in vernix caseosa. Size: ~25 cm, ~1100 g. A baby born at 28 weeks may survive with neonatal intensive care."),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 8
        new Paragraph({ children: [new TextRun({ text: "Month 8 - Ashtama Masa (The Critical Month)", bold: true, size: 26, color: DARK_GREEN, font: "Calibri" })], spacing: { before: 80, after: 40 }, border: { bottom: { style: BorderStyle.SINGLE, size: 2, color: DARK_GREEN } } }),
        body("Ayurvedic Reference (Ch.Sha.4/22 - \"Ojas-ashtame sanchairati mata-putrau muhuh kramat. Tena tau mlanam-uditau tatra jato na jivati\"; A.Hr.Sha.1/62): This is the most philosophically unique concept in Ayurvedic embryology. Ojas (the vital essence of all seven dhatus, governing immunity and vitality) is described as being unstable in the 8th month - it migrates alternately between the mother and child. Because Ojas is not yet permanently settled in the child, a baby born in the 8th month may not survive. Conversely, a baby born in the 9th month (after Ojas is established) has a much better prognosis. Shiro-jo (head-first) and Nari-samshayi (umbilical concerns) are mentioned.", { italic: true }),
        body("Modern Embryology: Rapid overall growth occurs. Tremendous brain growth takes place in this month. Most body organs are well-developed; lungs are still maturing (surfactant production). Strong kicks are visible from outside. Skin becomes less wrinkled. Size: ~28 cm, ~1800 g. Survival outside womb possible but requires intensive neonatal care."),
        body("Correlation: The Ayurvedic concept of 'unstable Ojas' in the 8th month aligns remarkably with the modern understanding of surfactant deficiency and incomplete lung maturation - the primary cause of neonatal mortality in premature infants born at 32-34 weeks.", { bold: true }),

        new Paragraph({ text: "", spacing: { after: 40 } }),

        // Month 9
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        body("Ayurvedic Reference (Su.Sha.3/30, Ch.Sha.4/22, A.Hr.Sha.1/52): Complete maturation of all organs, systems, and faculties. Ojas is now fully and permanently established in the child. The foetus is ready for birth. Ayurvedic texts note that delivery can occur between 9 and 12 months (following the lunar calendar), with 9-10 months being the norm.", { italic: true }),
        body("Modern Embryology: Foetus is fully developed and capable of independent extrauterine survival. Lungs are mature; surfactant production is complete. Skin is pink and smooth. Testes are palpable in the scrotum (males). Fingernails reach beyond fingertips. The foetus descends (lightening) into the pelvis. Size: 32-36 cm crown-rump, ~2500-3400 g."),

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        bullet("Kalala (1st month) = Zygote/Blastocyst - A semi-fluid mass that gradually condenses, paralleling early embryonic cleavage stages"),
        bullet("Ghana (2nd month) = Organogenesis - Compaction and three-germ-layer differentiation align with Sushruta's description of Panchamahabhuta condensation"),
        bullet("Pinda/Peshi/Arbuda = Sexual differentiation - Though metaphorical, the concept of sex determination in the 2nd month aligns with modern gonadal differentiation"),
        bullet("Anga-pratyanga (3rd-4th month) = Major organogenesis completed by end of first trimester"),
        bullet("Daurhridya/Quickening (4th month) = Foetal movements felt ~16-20 weeks, a well-recognised obstetric milestone in both systems"),
        bullet("Ojas instability (8th month) = Incomplete lung surfactant maturation - the primary cause of respiratory distress in preterm neonates, explaining the poor prognosis of 8th-month births"),
        bullet("Buddhi development (6th month) = Modern neuroscience confirms rapid thalamocortical connections forming in the 2nd trimester, supporting foetal cognition"),

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        bullet("Charaka Samhita - Sharira Sthana, Adhyaya 4 (Mahatigarbhavakranti Sharira), verses 8-22"),
        bullet("Sushruta Samhita - Sharira Sthana, Adhyaya 3 (Garbhavakranti Sharira), verses 17-30"),
        bullet("Ashtanga Hridayam (Vagbhata) - Sharira Sthana, Adhyaya 1, verses 49-62"),
        bullet("Ashtanga Sangraha - Sharira Sthana, Adhyaya 2, verse 7"),
        bullet("Kashyapa Samhita - Sharira Sthana (references to bone formation in 1st month)"),
        bullet("Harita Samhita - Garbha Ankura formation by 50th day"),
        bullet("Garbhopanishad - Head formation in 2nd month"),
        bullet("Modern: Sadler TW. Langman's Medical Embryology, 14th ed. Wolters Kluwer, 2019"),
        bullet("Singh S. Masanumasik Garbhavridhi. BHU Syllabus Notes. Banaras Hindu University, 2024"),
        bullet("Yadav et al. Understanding Garbha Vriddhi Kram. IJFMR, 2025"),

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// ─── Comparison table data ───────────────────────────────────────────────────
// columns: Month | Sushruta Shloka | Charaka Shloka | Vagbhata Shloka | Modern
const tData = [
  [
    "1st", 
    "तत्र प्रथमे मासि कललं जायते ॥\n(Su.Sha.3/17)",
    "खेटः श्लेष्मा...\n(Ch.Sha.4/9 Chakra.t.)",
    "प्रथमे कललं जायते ॥\n(A.Hr.Sha.1/49)",
    "Fertilisation; embryo 4-5 mm; heart & spinal cord begin; HCG rises"
  ],
  [
    "2nd",
    "द्वितीये शीतोष्माभ्यां... घनः संजायते; यदि पिण्डः पुमान् पेशी स्त्री अर्बुदं नपुंसकम् ॥\n(Su.Sha.3/18)",
    "द्वितीये मासि घनः संपद्यते पिण्डः पेश्यर्बुदं वा ॥\n(Ch.Sha.4/10)",
    "घनः पिण्डपेश्यर्बुदाकृतिः ॥\n(A.Hr.Sha.1/49-50)",
    "Organogenesis; 3 germ layers; limb buds; embryo ~1 cm; heart beats (wk 6)"
  ],
  [
    "3rd",
    "तृतीये हस्तपादशिरसां पञ्च पिण्डिका निवर्तन्ते अङ्गप्रत्यङ्गविभागश्च सूक्ष्मो भवति ॥\n(Su.Sha.3/18)",
    "तृतीये सर्वाङ्गप्रत्यङ्गानि... सूक्ष्मरूपाणि जायन्ते ॥\n(Ch.Sha.4/10)",
    "तृतीये चाङ्गप्रत्यङ्गविभागः सूक्ष्मः ॥\n(A.Hr.Sha.1/50)",
    "Face, nails, earlobes, digits fully formed; foetus 60-70 mm, ~12-14 g"
  ],
  [
    "4th",
    "चतुर्थे हृदयं प्रव्यक्तं भवति, चेतना चाभिव्यक्ता भवति ॥\n(Su.Sha.3/19)",
    "चतुर्थे ह्यङ्गप्रत्यङ्गविभागः प्रव्यक्तः... दौर्हृदं च भवति ॥\n(Ch.Sha.4/11)",
    "चतुर्थे अङ्गप्रत्यङ्गविभागः प्रव्यक्तः ॥\n(A.Sng.Sha.2/22)",
    "Quickening felt; foetal circulation established; sex identifiable on USG; ~16 cm, 100 g"
  ],
  [
    "5th",
    "पञ्चमे मनः प्रतिबुद्धतरं भवति मांसशोणितोपचयश्च ॥\n(Su.Sha.3/30)",
    "पञ्चमे मन उपचीयते बलं च ॥\n(Ch.Sha.4/12)",
    "पञ्चमे मनः प्रतिबुद्धतरं भवति मांसशोणितोपचयश्च ॥\n(A.Sng.Sha.2/25)",
    "Sucking/swallowing reflexes; lanugo; hair on scalp; foetus ~25 cm, ~300 g"
  ],
  [
    "6th",
    "षष्ठे बुद्धिः ॥\n(Su.Sha.3/30)",
    "षष्ठे मासि गर्भस्य बलवर्णोपचयो भवत्यधिकमन्येभ्यो मासेभ्यः ॥\n(Ch.Sha.4/22)",
    "षष्ठे बुद्धिर्बलं वर्णश्च ॥\n(A.Hr.Sha.1/51)",
    "Immune system begins; alveoli forming; skin wrinkled/red; ~21 cm, 630 g"
  ],
  [
    "7th",
    "सप्तमे सर्वाङ्गप्रत्यङ्गविभागः प्रव्यक्ततरः ॥\n(Su.Sha.3/30)",
    "सप्तमे सर्वाङ्गानि सम्पूर्णानि ॥\n(Ch.Sha.4/22)",
    "सप्तमे सर्वाङ्गप्रत्यङ्गविभागः प्रव्यक्ततरः ॥\n(A.Hr.Sha.1/52)",
    "All organs fully formed; fat layers; eyes partially open; ~25 cm, 1100 g; viable with NICU"
  ],
  [
    "8th",
    "ओजो ऽष्टमे सञ्चरति माता-पुत्रौ मुहुः क्रमात् ।\nतेन तौ म्लानमुदितौ तत्र जातो न जीवति ॥\n(Ch.Sha.4/22)",
    "शिशिरोजोऽनवस्थानान्नारी संशयिता भवेत् ॥\n(A.Hr.Sha.1/62)",
    "ओजो ऽष्टमे... माता-पुत्रौ मुहुः ॥\n(Su.Sha.3/30)",
    "Rapid brain growth; lungs still maturing (surfactant); ~28 cm, 1800 g; survival possible with NICU"
  ],
  [
    "9th",
    "नवमे मासि पूर्णः सर्वगुणोपेतः ॥\n(Su.Sha.3/30)",
    "नवमे दशमे वा प्रसवः ॥\n(Ch.Sha.4/22)",
    "नवमे पूर्णगर्भः प्रसवः ॥\n(A.Hr.Sha.1/52)",
    "Fully developed; lungs mature; skin pink; 32-36 cm, 2500-3400 g; baby descends into pelvis"
  ],
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// ─── Document ────────────────────────────────────────────────────────────────
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  title:"Masanumasik Garbhavridhi with Shlokas",
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      // ══════════════════════════════════════════════════════════════════
      // PAGE 1  –  Title + Introduction + Foundational Concepts
      // ══════════════════════════════════════════════════════════════════
      ...titleBar(
        "MASANUMASIK GARBHAVRIDHI",
        "मासानुमासिक गर्भवृद्धि — Month-wise Foetal Development"
      ),

      blank(80,80),

      secHead("1.", "Introduction"),
      body("Masanumasik Garbhavridhi (मासानुमासिक गर्भवृद्धि) describes the sequential, month-by-month growth of the foetus (Garbha) as documented in the Brihatrayi — Charaka Samhita, Sushruta Samhita, and Ashtanga Hridayam — as well as in Ashtanga Sangraha, Kashyapa Samhita, Harita Samhita, and Garbhopanishad. The topic appears primarily in Sharira Sthana of each text."),
      body("Ayurvedic embryology differs from modern embryology in that it integrates Panchamahabhuta (five elements), Tridosha (Vata-Pitta-Kapha), and the concept of Atma (soul/consciousness) with purely physical structural milestones. Despite this philosophical overlay, there is a striking correspondence with contemporary embryological findings."),

      blank(40,40),
      secHead("2.", "Foundational Concepts"),

      body("Garbha Sambhava Samagri — Six prerequisites for conception:", { bold:true }),
      bullet("Ritu — favourable ovulatory period"),
      bullet("Kshetra — receptive Garbhashaya (uterus)"),
      bullet("Ambu — nutritional fluid (Rasa dhatu / amniotic fluid equivalent)"),
      bullet("Bija — Shukra (sperm/paternal factor) + Artava (ovum/maternal factor)"),
      bullet("Atma — soul / consciousness entering the embryo"),
      bullet("Satmya — wholesomeness of regimen and diet"),

      blank(30,30),
      body("Key Shloka on Conception — Charaka Samhita Sharira 4/5:", { bold:true }),
      ...shloka(
        "ऋतुः क्षेत्रमम्बु बीजमित्युत्पत्तिः सामग्री ॥",
        "(Ch.Sha.4/5) — Ritu, Kshetra, Ambu, Bija: these four are the essentials of creation."
      ),

      blank(30,30),
      body("Early Embryonic Stages (Sequential Forms):", { bold:true }),
      bullet("Kalala — gelatinous semi-fluid mass (1st month) = zygote/blastocyst"),
      bullet("Ghana — condensed compact mass (2nd month) = organogenesis onset"),
      bullet("Pinda (round) = male foetus; Peshi (elongated) = female foetus; Arbuda = hermaphrodite"),
      bullet("Anga-Pratyanga — differentiation into major and minor organs from 3rd month onward"),

      blank(30,30),
      body("Role of Tridosha in Foetal Development:", { bold:true }),
      bullet("Vata — cell division, movements, nervous system, sensory organs"),
      bullet("Pitta — metabolic transformation, intellect, skin complexion, eyes"),
      bullet("Kapha — structural cohesion, tissue nourishment, growth, lubrication"),

      blank(40,40),
      secHead("3.", "Month-wise Development with Shlokas"),

      // ── Month 1 ──────────────────────────────────────────────────────
      monthHead("PRATHAMA MASA (1st Month) — प्रथम मास"),
      body("Sushruta Samhita (Su.Sha.3/17):"),
      ...shloka(
        "तत्र प्रथमे मासि कललं जायते ॥",
        "(Su.Sha.3/17) — In the first month, Kalala is formed."
      ),
      body("Charaka Samhita (Ch.Sha.4/9 Chakra-tika):"),
      ...shloka(
        "खेटः श्लेष्मा, तेन खेटभूत इति श्लेष्मसदृश इत्यर्थः ॥",
        "(Ch.Sha.4/9, Chakrapani Tika) — [Kalala is] Kheta = Shleshma-like (resembling Kapha — a mucoid cohesive mass)."
      ),
      label("Meaning", "A semi-fluid gelatinous mass forms from the union of Shukra, Artava and Atma. The embryo begins as a Kapha-dominant entity."),
      label("Modern", "Fertilisation → zygote (24-48 hrs) → cleavage → morula → blastocyst → implantation (~day 6-7). Embryo 4-5 mm by end of month. Heart, spinal cord, digestive system begin forming. HCG secretion maintains corpus luteum."),

      // ── Month 2 ──────────────────────────────────────────────────────
      monthHead("DVITIYA MASA (2nd Month) — द्वितीय मास"),
      body("Sushruta Samhita (Su.Sha.3/18):"),
      ...shloka(
        "द्वितीये शीतोष्मानिलैरभिप्रपच्यमानानां महाभूतानां सङ्घातो घनः संजायते ।\nयदि पिण्डः पुमान्, स्त्री चेत् पेशी, नपुंसकं चेदर्बुदम् ॥",
        "(Su.Sha.3/18) — In the 2nd month, the compact mass of Panchamahabhutas is acted on by Shita (Kapha), Ushna (Pitta) and Anila (Vata) and Ghana forms. Pinda = male; Peshi = female; Arbuda = hermaphrodite."
      ),
      body("Charaka Samhita (Ch.Sha.4/10):"),
      ...shloka(
        "द्वितीये मासि घनः संपद्यते पिण्डः पेश्यर्बुदं वा ।\nतत्र घनः पुरुषः, पेशी स्त्री, अर्बुदं नपुंसकम् ॥",
        "(Ch.Sha.4/10) — In the 2nd month a compact mass (Ghana) develops as Pinda, Peshi or Arbuda, indicating male, female or hermaphrodite respectively."
      ),
      label("Modern", "Week 5-8: three germ layers (ectoderm, mesoderm, endoderm) form; limb buds; neural tube; heart beats. Embryo ~24-30 mm, ~1-2 g. Sex chromosomes determine sex but gonadal differentiation begins later."),

      // PAGE 2
      pageBreak(),

      // ── Month 3 ──────────────────────────────────────────────────────
      monthHead("TRITIYA MASA (3rd Month) — तृतीय मास"),
      body("Sushruta Samhita (Su.Sha.3/18):"),
      ...shloka(
        "तृतीये हस्तपादशिरसां पञ्च पिण्डिका निवर्तन्ते\nअङ्गप्रत्यङ्गविभागश्च सूक्ष्मो भवति ॥",
        "(Su.Sha.3/18) — In the 3rd month five buds for two hands, two feet and head appear; Anga-pratyanga differentiation is subtle."
      ),
      body("Charaka Samhita (Ch.Sha.4/10):"),
      ...shloka(
        "तृतीये सर्वाङ्गप्रत्यङ्गानि सर्वेन्द्रियाणि च सूक्ष्मरूपाणि जायन्ते ॥",
        "(Ch.Sha.4/10) — In the 3rd month all major and minor body parts and all sense organs begin to appear in subtle (indistinct) form."
      ),
      label("Modern", "By end of 12 weeks: face well-formed; nails, earlobes, digits complete; sex organs developing; foetus 60-70 mm, ~12-14 g. Heart audible on Doppler. 1st trimester ends."),

      blank(20,20),

      // ── Month 4 ──────────────────────────────────────────────────────
      monthHead("CHATURTHA MASA (4th Month) — चतुर्थ मास"),
      body("Sushruta Samhita (Su.Sha.3/19):"),
      ...shloka(
        "चतुर्थे हृदयं प्रव्यक्तं भवति, चेतना चाभिव्यक्ता भवति ।\nचेतनाधिष्ठानं हि हृदयम् ॥",
        "(Su.Sha.3/19) — In the 4th month the heart becomes distinct; consciousness manifests — for the heart is the seat of consciousness."
      ),
      body("Charaka Samhita (Ch.Sha.4/11):"),
      ...shloka(
        "चतुर्थे ह्यङ्गप्रत्यङ्गविभागः प्रव्यक्तो गर्भश्च स्थिरो भवति ।\nतदा दौर्हृदं च भवति ॥",
        "(Ch.Sha.4/11) — In the 4th month Anga-pratyanga become distinct; the foetus becomes stable; Daurhridya (longings reflecting foetal desires) begins."
      ),
      label("Meaning", "Daurhridya (दौर्हृद) = 'two hearts' — the mother now carries the desires of the child's heart. Unfulfilled Daurhridya desires can affect the foetus adversely."),
      label("Modern", "Quickening (foetal movements first felt, ~16-20 wks in primigravida). Foetal circulation fully established. Sex identifiable on USG. ~12 cm, ~110 g. Sweat glands form; fingerprints present."),

      blank(20,20),

      // ── Month 5 ──────────────────────────────────────────────────────
      monthHead("PANCAMA MASA (5th Month) — पञ्चम मास"),
      body("Sushruta / Ashtanga Sangraha (A.Sng.Sha.2/25):"),
      ...shloka(
        "पञ्चमे मनः प्रतिबुद्धतरं भवति मांसशोणितोपचयश्च ॥",
        "(Su.Sha.3/30 / A.Sng.Sha.2/25) — In the 5th month the mind becomes more awakened; accumulation of Mamsa (flesh) and Shonita (blood) increases."
      ),
      body("Charaka Samhita (Ch.Sha.4/12):"),
      ...shloka(
        "पञ्चमे मन उपचीयते बलं च ॥",
        "(Ch.Sha.4/12) — In the 5th month Manas (mind) and Bala (strength) increase."
      ),
      label("Modern", "Sucking/swallowing reflexes appear; lanugo covers body; hair on scalp; ears developed (can hear). ~16 cm (crown-rump), ~300 g at 20 weeks. Eyebrows and eyelashes appear. Vernix caseosa begins."),

      blank(20,20),

      // ── Month 6 ──────────────────────────────────────────────────────
      monthHead("SHASHTHA MASA (6th Month) — षष्ठ मास"),
      body("Sushruta Samhita (Su.Sha.3/30):"),
      ...shloka(
        "षष्ठे बुद्धिः ॥",
        "(Su.Sha.3/30) — In the 6th month Buddhi (intellect/cognition) develops."
      ),
      body("Charaka Samhita (Ch.Sha.4/22):"),
      ...shloka(
        "षष्ठे मासि गर्भस्य बलवर्णोपचयो भवत्यधिकमन्येभ्यो मासेभ्यः ॥",
        "(Ch.Sha.4/22) — In the 6th month, gain in strength (Bala) and complexion (Varna) of the foetus is greater than in any other month."
      ),
      label("Modern", "Foetal immune system develops; alveoli forming; skin wrinkled and red. Eyes begin to open. ~21 cm, ~630 g. Responds to sound. Viable with intensive support if born now."),

      blank(20,20),

      // ── Month 7 ──────────────────────────────────────────────────────
      monthHead("SAPTAMA MASA (7th Month) — सप्तम मास"),
      body("Sushruta Samhita (Su.Sha.3/30):"),
      ...shloka(
        "सप्तमे सर्वाङ्गप्रत्यङ्गविभागः प्रव्यक्ततरः ॥",
        "(Su.Sha.3/30) — In the 7th month all Anga (major organs) and Pratyanga (minor structures) are fully and clearly formed."
      ),
      body("Charaka Samhita (Ch.Sha.4/22):"),
      ...shloka(
        "सप्तमे सर्वाङ्गानि सम्पूर्णानि ॥",
        "(Ch.Sha.4/22) — In the 7th month all organs are complete."
      ),
      label("Modern", "Baby very active; movements visible externally. Subcutaneous fat forming. Eyes partially open; eyelashes present. Thin skin covered with vernix. ~25 cm, ~1100 g. Survives with NICU support at 28 weeks."),

      // PAGE 3
      pageBreak(),

      // ── Month 8 ──────────────────────────────────────────────────────
      monthHead("ASHTAMA MASA (8th Month) — अष्टम मास  [ The Critical Month ]"),
      body("Charaka Samhita (Ch.Sha.4/22) — The most philosophically unique concept in Ayurvedic embryology:"),
      ...shloka(
        "ओजो ऽष्टमे सञ्चरति माता-पुत्रौ मुहुः क्रमात् ।\nतेन तौ म्लानमुदितौ तत्र जातो न जीवति ॥",
        "(Ch.Sha.4/22) — In the 8th month Ojas moves alternately between mother and child. Because of this both appear alternately dull and bright. A child born in this month does not survive."
      ),
      body("Ashtanga Hridayam / Vagbhata (A.Hr.Sha.1/62):"),
      ...shloka(
        "शिशिरोजोऽनवस्थानान्नारी संशयिता भवेत् ।\nशिरोजोऽनवस्थानान्नारी संशयिता भवेत् ॥",
        "(A.Hr.Sha.1/62) — Due to the instability of Ojas in the child, the life of the newborn remains in doubt [if born in 8th month]."
      ),
      label("Meaning", "Ojas (ओज) is the vital essence that underpins Bala (immunity/vitality). In the 8th month, Ojas has not yet permanently settled in the child — it circulates between mother and foetus. A premature birth in this month deprives the child of settled Ojas."),
      label("Modern", "Rapid brain growth; most organs well-developed BUT lungs still maturing — surfactant (phospholipid) production is insufficient. This is precisely why 32-34-week premature neonates suffer Respiratory Distress Syndrome (RDS). The Ayurvedic 'unstable Ojas' is a remarkable parallel to incomplete surfactant maturation. ~28 cm, ~1800 g. Strong kicks visible externally."),

      blank(20,20),

      // ── Month 9 ──────────────────────────────────────────────────────
      monthHead("NAVAMA MASA (9th Month) — नवम मास  [ Full Term ]"),
      body("Sushruta Samhita (Su.Sha.3/30):"),
      ...shloka(
        "नवमे मासि पूर्णः सर्वगुणोपेतः ॥",
        "(Su.Sha.3/30) — In the 9th month [the foetus is] complete, endowed with all qualities."
      ),
      body("Charaka Samhita (Ch.Sha.4/22):"),
      ...shloka(
        "नवमे दशमे वा प्रसवः ॥",
        "(Ch.Sha.4/22) — Delivery occurs in the 9th or 10th month."
      ),
      body("Ashtanga Hridayam (A.Hr.Sha.1/52):"),
      ...shloka(
        "नवमे पूर्णगर्भः प्रसवः ॥",
        "(A.Hr.Sha.1/52) — In the 9th month the foetus is complete and delivery occurs."
      ),
      label("Modern", "Fully developed foetus; lungs mature (surfactant complete); skin pink and smooth; testes in scrotum (male); fingernails beyond fingertips. 32-36 cm crown-rump, ~2500-3400 g. Baby descends (lightening) into pelvis in preparation for birth."),

      blank(60,60),

      // ── Comparative Table ─────────────────────────────────────────────
      secHead("4.", "Comparative Summary Table — Masanumasik Garbhavridhi"),
      body("The table below presents the key developmental events for each month side-by-side across classical Ayurvedic texts and modern embryology."),
      blank(40,40),
      compTable,

      blank(80,80),

      // ── Key Correlations ──────────────────────────────────────────────
      secHead("5.", "Key Ayurveda–Modern Correlations"),
      bullet("Kalala (1st month) = Morula/Blastocyst: semi-fluid nature, rapid cell division without distinct structure."),
      bullet("Ghana + Pinda/Peshi/Arbuda (2nd month) = Organogenesis + sexual differentiation by germ-layer action — parallel to Panchamahabhuta condensation by Dosha influence."),
      bullet("Panca Pindika / Five Buds (3rd month) = Development of the four limb buds + cephalic prominence by week 8-10."),
      bullet("Daurhridya / Quickening (4th month) = Foetal movements first perceived by the mother (~16-20 weeks) — an identical clinical milestone in both systems."),
      bullet("Buddhi development (6th month) = Rapid thalamocortical pathway formation and foetal pain perception from ~24-26 weeks."),
      bullet("Ojas instability (8th month) = Incomplete pulmonary surfactant maturation causing Respiratory Distress Syndrome — the primary cause of neonatal mortality in 32-34-week premature infants."),
      bullet("9-10 months delivery range = Modern obstetrics: term delivery 37-42 weeks; post-dates = >42 weeks."),

      blank(60,60),

      // ── References ────────────────────────────────────────────────────
      secHead("6.", "Primary References"),
      bullet("Charaka Samhita — Sharira Sthana, Adhyaya 4 (Mahatigarbhavakranti Sharira), verses 1-22. Ed. Acharya Jadavji Trikamji."),
      bullet("Sushruta Samhita — Sharira Sthana, Adhyaya 3 (Garbhavakranti Sharira), verses 17-30. Ed. Acharya Jadavji Trikamji."),
      bullet("Ashtanga Hridayam (Vagbhata) — Sharira Sthana, Adhyaya 1, verses 49-62. Sarvangasundara commentary by Arundatta."),
      bullet("Ashtanga Sangraha — Sharira Sthana, Adhyaya 2, verses 22-25."),
      bullet("Kashyapa Samhita — Sharira Sthana (bone/tissue formation references)."),
      bullet("Harita Samhita — Garbha Ankura (buds) formation by 50th day (2nd month)."),
      bullet("Garbhopanishad — Head formation in 2nd month; monthly consciousness development."),
      bullet("Sadler TW. Langman's Medical Embryology, 14th ed. Wolters Kluwer, 2019."),
      bullet("Singh S. Masanumasik Garbhavridhi. BHU Syllabus Notes. Banaras Hindu University, 2024."),

      blank(60,60),

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          new TextRun({ text:"Ayurvedic texts follow the lunar calendar (masa ≈ 28 days). Modern obstetrics counts gestational weeks from LMP (Last Menstrual Period). Minor timeline differences reflect this calendrical distinction rather than conceptual disagreement. The Devanagari shlokas are reproduced from standard critical editions (Acharya Jadavji Trikamji, Chaukhamba Prakashan).", size:19, color:GREY_TEXT, italics:true }),
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        indent:{ left:200, right:200 },
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