Q: Can a husband issue a divorce whilst his wife is pregnant? If so how does the iddat (waiting period) period work?
A. There is no difference with regard to Talaaq issued to a pregnant or non pregnant wife. The difference is in the period of Iddat. The Iddat of a pregnant wife who has been issued Talaaq will end at the birth of the baby. Talaaq issued to a pregnant wife is valid and will take effect. (Al Hindiyyah V1 P528)
Moulana Yusuf Laher