title: Ethical aspects of a controlled clinical trail of chorion biopsy approach to prenatal diagnosis.
mesh_terms: D000025:Abortion, Eugenic; D000649:Amniocentesis; D001706:Biopsy / Q000379:methods; D002824:Chorionic Villi / Q000473:pathology*; D002986:Clinical Trials as Topic; D004992:Ethics, Medical; D005260:Female; D005313:Fetal Death / Q000209:etiology; D006801:Humans; D007258:Informed Consent; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods; D011897:Random Allocation; D012306:Risk; D014481:United States