title: The influence of fetal sex on the levels of plasma progesterone in the human fetus.
mesh_terms: D001667:Binding, Competitive; D005260:Female; D005333:Fetus; D005838:Genotype; D006801:Humans; D008297:Male; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D012737:Sex Factors; D014469:Umbilical Arteries; D014471:Umbilical Veins
chemical_list: D011374:Progesterone