Accurate diagnosis of anencephaly on ultrasound can be done at: September 2005
Correct Answer: 10 weeks of gestation
Description: Ans. C: 10 weeks of gestation In the first half of the pregnancy, the diagnosis is made by the elevated alfa-fetoprotein in amniotic fluid and confirmed by sonography. The findings at 13 weeks are: Absence of cranial vault Angiomatous brain tissue In the later half of the pregnancy the diagnosis is difficult specially when associated with hydramnios.
Category:
Gynaecology & Obstetrics
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