Sunan an-Nasa'i 3307
سنن النسائي#3307SahihIt was narrated that 'Aishah said:"One of the things that Allah, the Mighty and Sublime, revealed" -(one of the narrators) Al-Harith said (in his narration): "One of the things that were revealed in the Qur'an"- "was that ten known breast-feedings make marriage prohibited, then that was abrogated and changed to five known breast-feedings. Then the Messenger of Allah passed away when this was something that was still being recited in the Qur'an
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 26:112