Sahih Muslim 3590
صحيح مسلم#3590SahihA'isha (Allah be pleased with her), Suwaid and Zubair reported Allah's Apostle (ﷺ) as saying:One suckling or two do not make (marriage) unlawful
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: 17:23