title: STUDIES ON THE AROMATISATION OF NEUTRAL STEROIDS IN PREGNANT WOMEN. IV. LACK OF OESTROGEN FORMATION FROM PROGESTERONE.
mesh_terms: D004958:Estradiol; D004964:Estriol; D004967:Estrogens; D004970:Estrone; D005260:Female; D005333:Fetus; D006801:Humans; D008431:Maternal-Fetal Exchange; D008660:Metabolism; D010920:Placenta; D011247:Pregnancy; D011374:Progesterone; D013256:Steroids; D014556:Urine
chemical_list: D004967:Estrogens; D013256:Steroids; D004970:Estrone; D011374:Progesterone; D004958:Estradiol; D004964:Estriol
keywords: ESTRADIOL; ESTRIOL; ESTRONE; FETUS; MATERNAL-FETAL EXCHANGE; METABOLISM; PLACENTA; PREGNANCY; PROGESTERONE; URINE