Chance of subsequent baby having NTD when first baby was born with NTD -
Ans. is 'b' i.e., 4%The recurrence risk of neural tube defect is :3 - 5 % if a couple has previously had a child with either anencephaly or spina bifida.5% if either parent was born with a NTD.10% if a couple has two affected children
2%
4%
10%
20%