Abdullah bin Yusuf al-Tunaysi عبد الله بن يوسف التنيسي · The Book of Purification

"When (a man) sits between the four parts of his wife's body and exerts himself, then Ghusl becomes obligatory." Abu 'Abdur-Rahman said: "This is a mistake what is correct is; 'Ash'ath from Al-Hasan, from Abu Hurairah.' An-Nadr bin Shumail, and others, reported the Hadith from Shu'bah just as Khalid reported it."

"Umm Habibah bint Jahsh- the wife of 'Abdur-Rahman bin 'Awf and the sister of Zainab bint Jahsh - suffered Istihadah (non-mentrual vaginal bleeding)." She said: "She consulted the Messenger of Allah (ﷺ) and the Messenger of Allah (ﷺ) said to her: 'That is not menstruation, rather that is a vein. When you period goes, perform Ghusl and pray, and when it comes, stop praying (for that period).'" 'Aishah said: "She used to perform Ghusl for every prayer and pray. Sometimes…