title: Formation and metabolism of steroids in the fetus and placenta.
mesh_terms: D000311:Adrenal Glands / Q000378:metabolism; D000728:Androgens / Q000378:metabolism*; D000818:Animals; D002247:Carbon Isotopes; D005260:Female; D005333:Fetus / Q000378:metabolism*; D000882:Haplorhini; D006801:Humans; D006908:Hydroxyprogesterones / Q000096:biosynthesis; D066298:In Vitro Techniques; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011284:Pregnenolone / Q000096:biosynthesis / Q000378:metabolism; D011374:Progesterone / Q000096:biosynthesis / Q000378:metabolism*; D013739:Testosterone / Q000096:biosynthesis
chemical_list: D000728:Androgens; D002247:Carbon Isotopes; D006908:Hydroxyprogesterones; D013739:Testosterone; D011374:Progesterone; D011284:Pregnenolone