TOPICS: Ductus arteriosus, pulmonary artery, pulmonary vein, superior vena cava (SVC), foramen ovale, ductus venosus, inferior vena cava (IVC), umbilical vein, descending aorta, high vascular resistance in lungs, placenta, umbilical arteries, oxygenated blood, deoxygenated blood, ligamentum teres hepatis (round ligament), fetal internal iliac arteries, medial umbilical ligaments, allantoic duct, allantois, bladder, umbilical cord, urachus, median umbilical ligament, urinary excretion in 1st trimester, urinary excretion in 2nd and 3rd trimesters, gut tube, nephrogenic cord, midgut, cloaca, urethra, rectum, vascular resistance, alveoli, fossa ovalis, ligamentum arteriosum, closing the ductus arteriosus, coarctation of the aorta, prostaglandins, indomethacin, Turner syndrome, brachial-femoral delay, bicuspid aortic valve, collateral circulations, berry aneurysms, claudication
