لِلَّذِينَ يُؤْلُونَ مِنْ نِسَائِهِمْ تَرَبُّصُ أَرْبَعَةِ أَشْهُرٍ ۖ فَإِنْ فَاءُوا فَإِنَّ اللَّهَ غَفُورٌ رَحِيمٌ

Surah Al-Baqarah : 226
For those who swear not to have sexual relations with their wives is a waiting time of four months, but if they return [to normal relations] - then indeed, Allah is Forgiving and Merciful.

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