عَنْ أَنَسِ بْنِ مَالِكٍ ‏- رضى الله عنه ‏- قَالَ: { سُئِلَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-عَنْ اَلْخَمْرِ تُتَّخَذُ خَلًّا? قَالَ:"لَا".‏ } أَخْرَجَهُ مُسْلِم ٌ 1‏ .‏‏1 ‏- صحيح.‏ رواه مسلم (1983)‏.‏
Translation
Narrated ‘Asma bint Abu Bakr (rad)

The Prophet (Saw) said regarding menstruation blood that smears a garment, “She should scrape it, rub it with water, then wash it and then she may pray in it”. [Agreed upon]