Chapter on the Rules of Menstruation, Istihadah, and Nifas, and Purification From Them

Through this chain of narration, from Ali ibn Al-Hasan, from Muhammad and Ahmad, from their father, from Abdullah ibn Bukayr, from some of our companions, from Ali ibn Yaqtin, from Abu Abdullah عليه السلام, who said: Imam عليه السلام said: "If the menstrual blood stops and she has not yet performed the ritual purification (ghusl), her husband may approach her if he wishes."