A sonographic sign for the detection in the second trimester of the fetus with Down's syndrome.
Sonographic structural surveys were made at the time that 904 amniocenteses were performed for genetic evaluation in the second trimester. A sonographic sign was identified which places the fetus at high risk for having Down's syndrome.
Benacerraf
B R
BR
Barss
V A
VA
Laboda
L A
LA
D000649:Amniocentesis; D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D006257:Head / Q000196:embryology; D006801:Humans; D009333:Neck / Q000196:embryology; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D012306:Risk; D012867:Skin; D014463:Ultrasonography