Amniocentesis for prenatal genetic studies.
D000032:Abortion, Therapeutic; D000328:Adult; D000649:Amniocentesis; D000650:Amnion; D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D004314:Down Syndrome / Q000175:diagnosis; D005260:Female; D005313:Fetal Death; D005315:Fetal Diseases / Q000175:diagnosis*; D005865:Gestational Age; D006801:Humans; D008423:Maternal Age; D011123:Polyploidy; D011247:Pregnancy; D011677:Punctures; D012729:Sex Chromosome Aberrations / Q000175:diagnosis