Sunan An-Nasa'i

It was narrated from 'Aishah that the daughter of Abu Hubaish said:""O Messenger of Allah, I do not become pure, so should I stop praying?"" He said: ""No, that is a vein."" Khalid said, in what I read from him, [1] ""And it is not menstruation, so when your period comes, stop praying, and when it goes, wash the blood from yourself and pray."" [1] Meaning, before Hisham, from whom he narrates it