Prenatal diagnosis of homocystinuria.
D000649:Amniocentesis; D003541:Cystathionine beta-Synthase / Q000172:deficiency; D005260:Female; D006712:Homocystinuria / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D011247:Pregnancy
D003541:Cystathionine beta-Synthase