Which of the following abnormalities can be diagnosed in the I st trimester of pregnancy?
(A) Anencephaly (B) Encephalocele (C) Meningocele (D) Microcephaly
(A) Answer- A. Anencephaly"Anencephaly is diagnosed by the absence of cranial vault (calvarium) and telencephalon. Brain tissue is angiomatous.Early diagnosis is possible at aboat 13 weeks