title: Comments on reports on hormone synthesis and regulation.
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D005333:Fetus / Q000378:metabolism*; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011374:Progesterone / Q000096:biosynthesis*
chemical_list: D011374:Progesterone