Answer:
(Fatwa: 1001/890=L/1429)
When the Nikah is known to all, then there is no wrong if your wife gets pregnant. The excuse put by you is not enough for using condom. Therefore, it will be makrooh to use condom in the abovementioned case.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
