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Labour

Question
23 out of 23
 

Increased nuchal translucency at 14 weeks of gestation is seen in: (DNB, Nov. 2008)



A Turner's syndrome

B Down's syndrome

C Esophageal atresia

D Klinefelter's syndrome


Ans. B

Down's syndrome

a. Increased fetal nuchal thickness is a strong marker for chromosomal anomalies in the first trimester.

b. Increased fetal nuchal translucency i.e. > 3 mm on transvaginal ultrasound is suggestive of

i. Trisomy 21- Down's syndrome

ii. Trisomy 18 – Edward syndrome

iii. Trisomy 13 - Patau syndrome

iv. Turner's syndrome

c. Most common chromosomal anomaly is Down's syndrome and hence the answer.

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