Errors of prenatal cytogenetic diagnosis.
D000328:Adult; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis; D002678:Chimera; D003951:Diagnostic Errors; D004314:Down Syndrome / Q000175:diagnosis; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D007621:Karyotyping; D008423:Maternal Age; D009030:Mosaicism; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D012728:Sex Chromatin / Q000032:analysis