Washing off blood of menses

 189. Asma bint Abu Bakr narrated that a woman came to the Prophet salla alayhi wa sallam and said: ´´What should one do if menstrual blood soils her garment?´´ He (the Prophet salla alayhi wa sallam) replied: ´´Let her scrape it, then rub it with water, then pour water over it and then she may perform prayer wearing it.´´