Hormonal pregnancy tests and congenital malformation.
D000014:Abnormalities, Drug-Induced; D004997:Ethinyl Estradiol / Q000009:adverse effects*; D005003:Ethisterone / Q000009:adverse effects*; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D008423:Maternal Age; D009640:Norethindrone / Q000009:adverse effects*; D011247:Pregnancy; D011258:Pregnancy Tests; D016135:Spinal Dysraphism / Q000139:chemically induced
D004997:Ethinyl Estradiol; D005003:Ethisterone; D009640:Norethindrone