Amniocentesis: prenatal diagnosis.
D000328:Adult; D000649:Amniocentesis / Q000379:methods*; D002869:Chromosome Aberrations / Q000175:diagnosis; D025063:Chromosome Disorders; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D014465:Ultrasonics