A clean, easy-to-read medical flowchart about Polyhydramnios covering: Causes (Foetal renal disorders causing increased urine production like Bartter syndrome; Neurological abnormalities like anencephaly impairing swallowing reflex; Chromosomal abnormalities like Down syndrome, Edwards syndrome, sacrococcygeal teratoma, skeletal dysplasia/dwarfism), Diagnosis (Predisposing conditions: maternal diabetes mellitus, Rh incompatibility, intrauterine infection, multiple pregnancies; Clinical signs in mother: increased abdominal size, uterine size outpacing gestational age, shiny skin with striae, dyspnea, chest heaviness, palpitations, pedal oedema, varicosities; Clinical signs in foetus: foetal parts not well defined, faint foetal heart sounds), Investigations (Ultrasonography, ABO Rh typing, FBS and PPBS, Alpha-fetoprotein estimation), Complications (Pre-eclampsia, Malpresentation). Use color-coded boxes, arrows connecting each section, white background, simple readable fonts.