بسم الله الرحمن الرحيم
(Fatwa: 727/679/SN=07/1437)
If during this period the husband has not given any talaq then their nikah is still intact. Both can live with each other as husband and wife without renewal of nikah, there is no place for doubt.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
