Sahih Muslim 780
صحيح مسلم#780SahihUbayy ibn Ka'b narrated it from the Messenger of Allah (ﷺ) that he said:If a person has sexual intercourse with his wife, but does not experience orgasm, he should wash his organ and perform an ablution
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 3:102