Pv bleeding history and different diagnosis

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Per Vaginum (PV) Bleeding: History Taking & Differential Diagnosis

What is PV Bleeding?

PV (per vaginum) bleeding refers to any abnormal vaginal/uterine bleeding - abnormal in regularity, volume, frequency, or duration. The modern classification system (FIGO) uses the acronym PALM-COEIN to categorize all causes.

FIGO Terminology (Modern Terms)

Old Term	New FIGO Term
Menorrhagia	Heavy menstrual bleeding (HMB) / Heavy Uterine Bleeding (HUB)
Metrorrhagia	Intermenstrual bleeding
Menometrorrhagia	(Discarded)
Dysfunctional uterine bleeding	(Discarded)
Postmenopausal bleeding	Bleeding >12 months after cessation of menses
Prolonged menstrual bleeding	Periods exceeding 8 days regularly
Amenorrhea	Absent bleeding for >6 months

History Taking for PV Bleeding

1. Reproductive History

Age of menarche
Date of last menstrual period (LMP)
Menstrual cycle pattern (regularity, frequency, duration, volume)
Normal vs. abnormal bleeding patterns or discharge
Are clots present? (Clots = heavy bleeding, since normal menstrual blood does not clot)
Number of pads/tampons soaked per hour (>1 pad/tampon per 1-2 hours = heavy)

2. Sexual & Obstetric History

Current sexual activity
Gravida and para
Contraception use, barrier protection
Previous abortions or recent terminations
History of ectopic pregnancy
History of pelvic inflammatory disease, STIs, HIV, hepatitis
Postcoital bleeding
Dysmenorrhea (painful periods)
Pregnancy status (always confirm in reproductive-age women)

3. Pregnancy-Related (if applicable)

Gestational age
First, second, or third trimester
Assisted reproduction / IVF (risk for heterotopic pregnancy)

4. Trauma History

Postcoital injury
Falls, motor vehicle accidents, interpersonal violence
Possibility of retained foreign body

5. Medications

Anticoagulants (warfarin, heparin, NOACs)
Antiepileptics, especially valproic acid
Antipsychotics (typical and atypical)
NSAIDs, steroids
Hormonal medications
Intrauterine device (IUD)
Complementary medicine (e.g., ginseng)

6. Past Medical History

Signs of coagulopathy: easy bruising, nosebleeds, petechiae, ecchymoses
Endocrine disorders: diabetes, thyroid disease, adrenal disorders
Liver disease, kidney disease
Systemic illness

7. Associated Symptoms

Pain (onset, location, quality, radiation)
GI symptoms: nausea, vomiting, diarrhea
Urological symptoms: dysuria, hematuria
Signs of hemodynamic compromise: dizziness, syncope, palpitations

Differential Diagnosis - by PALM-COEIN

PALM (Structural Causes)

Cause	Features
P - Polyp (endometrial/endocervical)	Intermenstrual bleeding; women >35 yrs; diagnosed on USS or hysteroscopy
A - Adenomyosis	Heavy, painful periods; 4th-5th decade; bulky uterus; MRI is imaging of choice
L - Leiomyoma (fibroids)	Most common benign pelvic tumour; 25% of white, 50% of Black women in reproductive years; heavy/prolonged bleeding; palpable mass
M - Malignancy & Hyperplasia	Endometrial cancer; irregular/postmenopausal bleeding; biopsy needed

COEIN (Non-Structural Causes)

Cause	Features
C - Coagulopathy	von Willebrand disease (most common), Factor XI deficiency, thrombocytopenia, ITP; may first present in adolescence
O - Ovulatory dysfunction	PCOS, hypothyroidism, hyperprolactinemia, adrenal hyperplasia, Cushing's disease
E - Endometrial	Primary endometrial disorders
I - Iatrogenic	IUD, anticoagulants, antiepileptics, antipsychotics, hormonal medications
N - Not otherwise classified	Rare causes

Differential Diagnosis by Age Group

Prepubescent Girls

Vaginitis
Foreign body
Trauma / sexual abuse
Tumours (rare)

Adolescents (13-19 years)

Anovulatory cycles (hypothalamic-pituitary-ovarian axis immaturity) - most common
Coagulopathy (von Willebrand disease may first manifest here)
STIs
Pregnancy complications

Reproductive Age (20s-30s)

Pregnancy complications - most common cause overall:
- Threatened / inevitable / incomplete / complete miscarriage
- Ectopic pregnancy (leading cause of 1st-trimester maternal death; up to 10% prevalence in ED patients with pain/bleeding in 1st trimester)
- Implantation bleeding
- Molar pregnancy
- Ruptured corpus luteum cyst
Structural lesions: polyps, fibroids
PCOS
Infections (STI, PID, tubo-ovarian abscess, vaginitis)
Trauma (most common: coitus)

Perimenopausal (40s-50s)

Anovulatory cycles (declining ovarian function)
Fibroids, adenomyosis
Endometrial hyperplasia
Polyps

Postmenopausal

Endometrial atrophy - most common cause
Exogenous hormones (HRT)
Malignancy - must always be excluded
Atrophic vaginitis

Pregnancy-Specific Differential

First Trimester (<20 weeks)

Miscarriage (threatened/missed/inevitable/incomplete/complete) - ~50% of women with early bleeding will miscarry
Ectopic pregnancy (most dangerous - rule out first)
Implantation bleeding
Molar (hydatidiform mole) pregnancy
Ruptured corpus luteum cyst
Cervical lesion / polyp

Late Pregnancy (>20 weeks)

Placenta praevia (painless, bright red bleeding)
Placental abruption (painful, dark bleeding; board-like abdomen)
Uterine rupture
Vasa praevia

Postpartum

Uterine atony (first 24 hours - most common cause of PPH)
Retained products of conception (>24 hours postpartum)
Trauma / lacerations
Coagulopathy

Key Investigations

Urine/serum hCG - mandatory in all reproductive-age women
FBC (CBC), type & crossmatch, coagulation studies (if unstable)
Pelvic USS (transvaginal is more sensitive early in pregnancy)
Quantitative beta-hCG serial measurements (if PUL - pregnancy of unknown location)
Rh status (if pregnant - anti-D prophylaxis consideration)
Thyroid function, prolactin, androgens (outpatient if stable)
Endometrial biopsy (if malignancy suspected)

Note: After 20 weeks of pregnancy, defer pelvic examination until USS has excluded placenta praevia. The discriminatory zone for beta-hCG (TVUS should visualise IUP) is traditionally ~2000 IU/mL but ACOG now advises using 3500 IU/mL to avoid misdiagnosis of viable IUPs.

Sources: Tintinalli's Emergency Medicine (9th ed.), ROSEN's Emergency Medicine (Concepts and Clinical Practice)

approach to pv discharge,leakage and bleeding

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Approach to PV Discharge, Leakage, and Bleeding

PART 1: PV DISCHARGE

History Taking for Vaginal Discharge

Characteristics of the discharge:

Onset and duration
Color (white, gray, yellow, green, blood-tinged)
Consistency (thin, thick, curdy, homogeneous)
Amount (spotting vs. soaking)
Odor (fishy/amine, foul, musty)
Presence of associated itching, burning, or pain

Associated symptoms:

Dysuria, frequency (suggests urethritis/cystitis)
Pelvic or lower abdominal pain (suggests PID)
Dyspareunia
Vulvar soreness, swelling, redness

Risk factors / context:

Menopausal status (atrophic vaginitis)
Sexual activity - new or multiple partners
Contraception (IUD use - risk of Actinomyces)
STI/PID history
Antibiotic use (predisposes to candidiasis)
Hygiene habits: douching, perfumed products, bubble baths, tight clothing
Immunosuppression (HIV, diabetes)
Pregnancy status
Foreign body (especially in children - classically toilet paper)

Medication history:

Antibiotics (disrupt normal flora - candida overgrowth)
Antipsychotics (can affect prolactin/discharge)

Examination

Vulvar erythema, excoriation, swelling
Speculum: type, color, consistency of discharge, cervical appearance (mucopurulent = cervicitis/PID)
Bimanual: cervical motion tenderness, adnexal tenderness/mass

Speculum examination is NOT necessary for diagnosing vaginitis - a blind vaginal vault swab is equally sensitive.

Differential Diagnosis of PV Discharge

Infectious Causes

Condition	Discharge	pH	Key Feature	Test
Bacterial Vaginosis (BV)	Thin, gray, homogeneous, fishy odor	>4.5	Clue cells on wet mount; Whiff test positive	Amsel criteria (3/4)
Vulvovaginal Candidiasis	Thick, white, curdy/cheesy	3.8-4.5	Severe itching & burning; vulvar erythema	KOH prep - pseudohyphae, budding yeast
Trichomoniasis	Frothy, yellow-green, fishy odor	6-7	Erythema, tenderness; "strawberry cervix"	Wet mount - motile trichomonads; NAAT (more sensitive)
Chlamydial cervicitis	Mucopurulent, from cervix	-	Often asymptomatic; postcoital bleeding	NAAT (test of choice)
Gonorrhea	Mucopurulent, from cervix	-	Purulent cervical os	NAAT (test of choice)
Aerobic vaginitis	Heavy purulent	>4.5	Foul odor; cocci/rods on wet mount	Culture
Group A Strep / Staph / E.coli	Variable	-	More common in prepubertal girls	Vaginal swab culture
Physiologic leukorrhea	Clear/white, thin, slippery	Normal	Normal; no odor or itch	None required

Non-Infectious Causes

Condition	Features
Atrophic vaginitis	Postmenopausal; dryness, dyspareunia, pale/friable mucosa; pH >4.5
Allergic / Irritant vaginitis	Erythema, itching, swelling; history of new soap/product
Erosive lichen planus	Scarring, erosions, banded striae
Vaginal foreign body	Foul-smelling, blood-tinged discharge; history of prolonged symptoms (especially in children)
Cervical polyp	Mucoid or blood-tinged discharge
Cervical ectropion	Mucoid discharge; common in OCP users and pregnancy
Fistula (vesicovaginal/rectovaginal)	Continuous leakage of urine or feces per vaginum
Cervical cancer	Watery, blood-tinged, offensive discharge

Pediatric-Specific

Non-specific vulvovaginitis (poor hygiene, bubble baths) - most common
Foreign body (toilet paper most common)
Group A Strep, Staph aureus, E. coli, Shigella
Candida - uncommon in prepubescent girls (alkaline vaginal pH)
Always consider sexual abuse when STI organisms found

Investigations for Discharge

Test	Purpose
Vaginal pH paper	BV/TV (>4.5); Candida (3.8-4.5)
Wet mount (saline)	Clue cells (BV), trichomonads, WBCs
KOH preparation + Whiff test	Pseudohyphae (Candida); amine odor (BV)
NAAT	Chlamydia, gonorrhea, Trichomonas (most sensitive)
High vaginal swab (HVS) culture	If treatment failure or specific organism suspected
Endocervical swab	GC/Chlamydia culture
Cervical smear / colposcopy	If malignancy suspected

PART 2: PV LEAKAGE (Rupture of Membranes)

PV leakage in a pregnant patient must be differentiated from normal vaginal discharge, urinary incontinence, and true amniotic fluid leakage (PROM/PPROM).

History Taking for PV Leakage

Key Question	Significance
Sudden gush vs. slow trickle	Gush = suggestive of ROM
Ongoing continuous leakage	Suggests PROM - amniotic fluid keeps being produced
Volume and colour (clear, blood-stained, green/meconium-stained)	Green = meconium; fetal concern
Odour	Offensive = chorioamnionitis
Last menstrual period & gestational age	Calculate EDD; term vs. preterm
Contractions present?	Active labour vs. PROM without labour
Any fever, chills, malaise	Suggests chorioamnionitis
Recent intercourse (semen can cause false positives on tests)
Vaginal bleeding with leakage	Raises concern for placenta praevia

Examination for PV Leakage

Fundal height - estimate gestational age
Fetal heart rate (auscultation / CTG)
Sterile speculum examination (avoid digital PV exam until placenta praevia excluded):
- Pooling of fluid in the posterior fornix
- Fluid leaking from cervical os
- Cervical dilatation and effacement
- Apply fundal pressure or ask patient to Valsalva/cough if no pooling seen at rest

Investigations (Keys to Diagnosing PROM)

Test	Interpretation	Notes
Nitrazine paper test	Blue colour = pH >6.5 = amniotic fluid present	False positives: blood, semen, BV, Trichomonas, soap, antiseptics; False negative rate ~7%
Ferning test (arborisation)	Delicate fern-like crystallization on air-dried slide = amniotic fluid	Blood may obscure; cervical mucus gives thick, dark false-positive pattern; swab from posterior fornix (NOT cervical mucus)
Combination (history + nitrazine + ferning)	Diagnoses ~90% of PROM cases
Amniocheck / IGFBP-1 / PAMG-1 test	Highly specific bedside immunoassay for amniotic fluid	Useful in equivocal cases
Ultrasound	Oligohydramnios supports PROM
Swabs	Group B Strep, GC, Chlamydia, BV	Risk of ascending infection with PROM

Differential Diagnosis of PV Leakage

Cause	Distinguishing Features
PROM / PPROM	Gush then ongoing trickle; ferning +ve; nitrazine +ve; oligohydramnios on USS
Urinary incontinence	Urine smell; positive urine dipstick; no ferning; nitrazine negative
Heavy vaginal discharge / leukorrhoea	pH normal; no ferning; no oligohydramnios
Cervical mucus plug (show)	Late pregnancy; mucoid, sometimes blood-tinged; with onset of labour
Vesicovaginal fistula	Continuous urine leakage; history of surgery, obstructed labour
Blood-stained liquor	Consider vasa praevia (bright red, sudden at membrane rupture)

PART 3: PV BLEEDING (Summary with Cross-Reference)

(Detailed in previous session - key framework repeated here for completeness)

PALM-COEIN Classification

Structural (PALM): Polyp | Adenomyosis | Leiomyoma | Malignancy/Hyperplasia

Non-structural (COEIN): Coagulopathy | Ovulatory dysfunction | Endometrial | Iatrogenic | Not otherwise classified

Differential by Clinical Context

Context	Priority Diagnoses
Prepubescent	Vaginitis, foreign body, trauma, sexual abuse, urethral prolapse
Adolescent	Anovulatory cycles, coagulopathy (vWD), pregnancy, STI
Reproductive age	Pregnancy complications (ectopic!), fibroids, polyps, PCOS, STI
Perimenopausal	Anovulation, fibroids, hyperplasia, polyps
Postmenopausal	Atrophic endometrium (most common), HRT, malignancy (must exclude)
Pregnant (<20 wks)	Miscarriage, ectopic (most dangerous), molar pregnancy
Pregnant (>20 wks)	Placenta praevia, abruption, uterine rupture, vasa praevia
Postpartum	Uterine atony (first 24h), retained POC (>24h)

Unified Approach Summary

PV Complaint → Is the patient pregnant?
                    |
        YES ─────────────────────── NO
         |                           |
  Gestational age?              Type of complaint?
  <20 wks / >20 wks / PP         |           |          |
  (see above)               Discharge    Leakage    Bleeding
                                 |           |          |
                           Age group?    PROM?     PALM-COEIN
                           Infection?   Urine?     + Age group

Always rule out:

Ectopic pregnancy in any reproductive-age woman with PV complaints
Malignancy in postmenopausal women
Sexual abuse in children with STI-related discharge
Chorioamnionitis in PROM (fever, uterine tenderness, fetal tachycardia)

Sources: Tintinalli's Emergency Medicine (9th ed.), Textbook of Family Medicine (9th ed.), ROSEN's Emergency Medicine, Roberts and Hedges' Clinical Procedures in Emergency Medicine

different color of dicharge and leakage signify

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What Different Colors of PV Discharge & Leakage Signify

PART 1: VAGINAL DISCHARGE - COLOR GUIDE

🤍 White / Clear (Physiologic)

Appearance	Significance
Clear, thin, slippery	Normal physiologic leukorrhea - varies with menstrual cycle (peaks at ovulation); increases in pregnancy
White, thin, mucoid (cyclical)	Ovulatory cervical mucus - egg-white consistency at mid-cycle is normal and fertile
White, thick, curd-like / cheesy	Vulvovaginal Candidiasis - associated with intense itching, burning, vulvar erythema; pH normal (3.8-4.5)
White-gray, thin, homogeneous	Bacterial Vaginosis (BV) - musty/fishy odor; adherent but wipes off easily; pH >4.5

🩶 Gray / Thin Homogeneous

Appearance	Significance
Thin, gray, coating vaginal walls, fishy/musty odor	Bacterial Vaginosis - most common cause of abnormal discharge; fishy smell worse after intercourse (semen raises pH triggering amine release); Amsel criteria: 3/4 (pH >4.5, clue cells, homogeneous discharge, Whiff test +ve)

💛 Yellow / Yellow-Green

Appearance	Significance
Frothy, yellow-green, fishy odor, copious	Trichomoniasis - caused by Trichomonas vaginalis; pH 6-7; "strawberry cervix" (punctate hemorrhages); many WBCs on wet mount; motile flagellated organisms
Thick, yellow-green, from cervical os (mucopurulent)	Gonorrhea / Chlamydia cervicitis - endocervical purulent discharge; test with NAAT
Thick, heavy, purulent, foul odor	Aerobic vaginitis - caused by aerobic bacteria (cocci/rods on wet mount); pH >4.5
Yellow-green, from posterior fornix + offensive odor + fever + pelvic pain	Pelvic Inflammatory Disease (PID) - ascending infection; cervical motion tenderness on examination
Yellow, offensive, in a child	Bacterial vulvovaginitis (Group A Strep, Staph aureus, E. coli) or foreign body (especially if blood-tinged)

🟤 Brown / Dark / Coffee-Ground

Appearance	Significance
Dark brown, scanty, at start or end of menses	Old blood - normal; oxidized blood passed slowly
Brown, intermittent, mid-cycle or irregular	Old blood from intermenstrual bleed - consider polyp, fibroid, hormonal contraception
Brown, watery, offensive, postmenopausal	Endometrial/cervical malignancy - must investigate urgently with USS and biopsy
Dark red/brown, with mucus plug at onset of labour	Bloody show - expulsion of cervical mucus plug; only a few dark red spots mixed with mucus; normal; not a contraindication to vaginal examination. If heavier, suspect placenta praevia or abruption

🩸 Pink / Blood-Tinged

Appearance	Significance
Slight pink spotting with mucus (labour onset)	Bloody show - normal; cervical dilation causing minor bleeding from increased vascularity
Pink, watery, offensive	Cervical/vaginal malignancy
Pink discharge in a child	Urethral prolapse (painless blood spotting on underwear; red-purple doughnut mass around urethra) OR sexual abuse
Pink, watery discharge in non-pregnant woman	Atrophic vaginitis (postmenopausal); RBCs on wet mount

🔴 Red / Frank Blood

Appearance	Significance
Bright red, painless, in pregnancy (>20 wks)	Placenta praevia - do NOT do vaginal examination; USS first
Dark red, painful, board-like abdomen	Placental abruption
Bright red, sudden gush at ROM	Vasa praevia - fetal vessel rupture; obstetric emergency; very high fetal mortality
Bright red, postcoital	Cervical erosion/ectropion, cervical polyp, cervicitis, or cervical cancer
Heavy red, with tissue passage	Miscarriage (incomplete/inevitable)
Heavy red, postpartum (first 24h)	Uterine atony - most common cause of postpartum haemorrhage

🟢 Green (Amniotic Fluid Leakage Only)

Appearance	Significance
Green-stained liquor (thin)	Meconium-stained amniotic fluid (MSAF) - meconium present in fetal intestine from 2nd trimester; green staining suggests fetal passage of meconium, associated with fetal distress especially at/after 42 weeks (postterm); occurs in ~10-12% of deliveries
Thick, dark green ("pea soup")	Thick meconium - higher risk of Meconium Aspiration Syndrome (MAS) - can cause respiratory failure, pulmonary hypertension, and neonatal death; requires neonatal resuscitation team at delivery
Thin, light green liquor	Thin meconium - lower risk but still warrants close fetal monitoring (CTG)

🌊 Clear / Watery Fluid (Leakage)

Appearance	Significance
Clear, watery, sudden gush then ongoing trickle	Amniotic fluid (PROM/PPROM) - test: pooling in posterior fornix, nitrazine paper turns blue (pH >6.5), ferning pattern on microscopy; history + nitrazine + ferning = 90% diagnostic accuracy
Clear, watery, smell of urine	Urinary incontinence - nitrazine negative; no ferning; urine dipstick positive
Clear, thin, excessive volume	Physiological increase (pregnancy, ovulation) vs. early PROM

SUMMARY TABLE

Color	Most Likely Cause	Key Feature
Clear / white thin	Physiologic leukorrhea / ovulation	Normal; no odor, no itch
White curdy/thick	Candidiasis	Itch + burning; pH normal
Gray thin homogeneous	Bacterial vaginosis	Fishy odor; pH >4.5; clue cells
Yellow frothy	Trichomoniasis	Frothy; pH 6-7; motile organisms
Yellow-green mucopurulent (from os)	Gonorrhea / Chlamydia	From cervical os; NAAT test
Heavy purulent	Aerobic vaginitis / PID	Foul odor; systemic signs if PID
Brown / dark	Old blood / malignancy / BV	Age-dependent - cancer if postmenopausal
Pink blood-tinged	Bloody show / atrophy / malignancy	Context (pregnant vs. not)
Bright red	Praevia / abruption / miscarriage / atony	See bleeding approach
Green (liquor)	Meconium-stained amniotic fluid	Fetal distress; MAS risk
Clear watery (liquor)	PROM / PPROM	Ferning +ve; nitrazine blue
Clear watery (urine)	Urinary incontinence / fistula	Urine smell; dipstick +ve

Clinical Rule: Always confirm pregnancy status first in any reproductive-age woman. Color alone is never sufficient - combine with pH, microscopy, NAAT, and clinical context for accurate diagnosis.

Sources: Textbook of Family Medicine (9th ed.), Tintinalli's Emergency Medicine (9th ed.), ROSEN's Emergency Medicine, Creasy & Resnik's Maternal-Fetal Medicine

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