Ultrasonic evaluation of fetal umbilical and hepatic vascular anatomy.
D000792:Angiography; D002404:Catheterization; D005260:Female; D006503:Hepatic Veins / Q000196:embryology*; D006801:Humans; D008102:Liver Circulation; D008431:Maternal-Fetal Exchange; D011169:Portal Vein / Q000196:embryology*; D011247:Pregnancy; D014463:Ultrasonography; D014471:Umbilical Veins / Q000000981:diagnostic imaging / Q000196:embryology*