بسم الله الرحمن الرحيم
(Fatwa: 285/275/M=3/1438)
The word mentioned above will neither affect negatively your nikah nor your children. It will not invite any financial or physical kaffarah either. However, you must avoid saying your wife ‘mother’ in future as it is undesirable.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
