Search for maternal factors associated with malformed human embryos: a prospective study.
D000328:Adult; D000437:Alcoholism / Q000175:diagnosis; D000013:Congenital Abnormalities / Q000209:etiology*; D004622:Embryo, Mammalian; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000175:diagnosis; D008423:Maternal Age; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D011446:Prospective Studies; D013959:Thyroid Diseases / Q000175:diagnosis