title: Investigation of precursor availability in the regulation of estrogen synthesis in normal human pregnancy.
mesh_terms: D000293:Adolescent; D000328:Adult; D006063:Chorionic Gonadotropin / Q000378:metabolism; D003687:Dehydroepiandrosterone / Q000378:metabolism / Q000494:pharmacology; D004958:Estradiol / Q000097:blood; D004964:Estriol / Q000097:blood; D004967:Estrogens / Q000096:biosynthesis* / Q000652:urine; D005260:Female; D006062:Gonadotropins / Q000378:metabolism / Q000494:pharmacology; D006801:Humans; D007267:Injections; D010920:Placenta / Q000201:enzymology; D011247:Pregnancy; D013997:Time Factors
chemical_list: D006063:Chorionic Gonadotropin; D004967:Estrogens; D006062:Gonadotropins; D003687:Dehydroepiandrosterone; D004958:Estradiol; D004964:Estriol