bies, risk of having a third one is :
Ans. is b i.e. 10% The risk of recurrence of anencephaly : If one child is affected 5% If two children are affected 13% Extra Edge : Females are more affected with anencephaly than males, ratio being 4 : 1a. Spina bifida, anencephaly and encephalocele constitute a group of congenital anomalies known as neural tube defects. Anomalies associated with anencephaly : Most common is Spina bifidadeg Others - Hydronephrosis, cleft lip, omphalocele, cardiac defect. When neural tube defects are associated with any of these defects, it is known as Meckel Gruber syndrome' which is an autosomal recessive condition with 20% recurrence rate. Anencephaly has a lethal prognosis and therefore it is the universally accepted indication for termination of pregnancy during the third trimester.
0%
10%
25%
50%