Al-Hasan (may Allah have mercy on him) said regarding the menstruating woman, when she becomes pure from the blood: Her husband should not come to her until she has taken a ritual bath.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحيض / 1483
Hadith Gradingمحدثین:حسن لغيرهٖ
Hadith Takhrij«حسن لغيرهٖ۔ أخرجه ابن أبي شيبة 1029»