Sunan an-Nasa'i 1976
سنن النسائي#1976SahihIt was narrated that Samurah said:"I offered the funeral prayer with the Messenger of Allah for Umm kab who had died in childbirth, and the Messenger of Allah stood in line at her mid-section to pray
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 ZaiHasan
In-book reference: 21:159