Sunan Ibn Majah 1493
سنن ابن ماجه#1493SahihIt was narrated from Samurah bin Jundab Al-Fazari that the Messenger of Allah (ﷺ) offered the funeral prayer for a woman who had died in nifas* and he stood level with her middle (i.e. her waist).” *The postnatal bleeding period
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Bukhari And Muslim
In-book reference: 6:61