[On blood progesterone level during pregnancy].
D002849:Chromatography, Gas; D005260:Female; D005333:Fetus / Q000378:metabolism; D006801:Humans; D007700:Kinetics; D007743:Labor, Obstetric; D049590:Postpartum Period; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D014471:Umbilical Veins
D011374:Progesterone