Effect of gravity on placental transfusion.
D000293:Adolescent; D000328:Adult; D001775:Blood Circulation; D001794:Blood Pressure; D001810:Blood Volume; D005260:Female; D006112:Gravitation; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000098:blood supply*; D011187:Posture; D011247:Pregnancy