Sunan Abu Dawud
276
Sahih+3

Sulaiman b. Yasar reported on the authority of a person from the Ansar; There was a woman who had an issue of blood. He then narrated the rest of the tradition like that of al-Laith. He said; when the period of menstruation is over and the time of prayer arrives, she should take a bath. He narrated the tradition conveying the same meaning

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid