Letter: Indirect effect of sex hormones on the fetus.
D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D005333:Fetus / Q000187:drug effects*; D006801:Humans; D011247:Pregnancy; D011374:Progesterone / Q000009:adverse effects*
D004967:Estrogens; D011374:Progesterone