Sahih Muslim 3557
صحيح مسلم#3557SahihJabir b. 'Abdullah (Allah be pleased with them) reported that a person asked Allah's Apostle (ﷺ) saying:I have a slave-girl and I practise 'azl with her, whereupon Allah's Messenger (ﷺ) said: This cannot prevent that which Allah has decreed. The person then came (after some time) and said: Messenger of Allah, the slave-girl about whom I talked to you has conceived, whereupon Allah's Messeuger (ﷺ) said: I am the servant of Allah and His Messenger
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: 16:159