title: Determination of fetal sex with ultrasound.
abstract: In a consecutive series of 137 pregnancies scanned at 24 weeks' gestation or later, the sex of 66% of infants was determined with a 2% error rate. By means of ultrasound examinations, parents may now be offered the opportunity of knowing the sex of their baby before delivery.
mesh_terms: D005260:Female; D005836:Genitalia, Female / Q000033:anatomy & histology; D005837:Genitalia, Male / Q000033:anatomy & histology; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D011336:Probability; D012732:Sex Determination Analysis; D014463:Ultrasonography