Maternal and fetal physiology; present day concepts regarding gestation and labor.
D005260:Female; D005333:Fetus; D006801:Humans; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D010920:Placenta; D011247:Pregnancy; D014599:Uterus
FETUS; MATERNAL-FETAL EXCHANGE; PLACENTA; UTERUS