(2) باب ذِكْرِ الاِسْتِحَاضَةِ وَإِقْبَالِ الدَّمِ وَإِدْبَارِهِ
It was narrated from 'Aishah that the Prophet (ﷺ) said:
"When the time of menstruation comes, stop praying, and when it goes, perform Ghusl."
Reference: Sunan an-Nasa'i 350
In-book reference: Book 3, Hadith 3
English translation: Vol. 1, Book 3, Hadith 351