Sunan Ibn Majah 628
سنن ابن ماجه#628SahihIt was narrated that Umm Qais bint Mihsan said:"I asked the Messenger of Allah about menstrual blood that gets on clothing. He said, 'Wash it with water and lote leaves, and rub it, even with a piece of stick
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Fouad Abd al-BaqiHasan Sahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 1:362