Prenatal sex determination by endocervical smear. A new approach diagnosis.
D002584:Cervix Uteri; D005260:Female; D005333:Fetus / Q000502:physiology; D006801:Humans; D008297:Male; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D012732:Sex Determination Analysis; D014626:Vaginal Smears