It is narrated from Hazrat Aisha (may Allah be pleased with her) that once Umm Habibah bint Jahsh (may Allah be pleased with her), who was married to Hazrat Abdur Rahman bin Auf (may Allah be pleased with him), came to the service of the Prophet (peace and blessings be upon him) and said, "My menstrual bleeding continues all the time." The Prophet (peace and blessings be upon him) said, "This is blood from a vein, not menstrual blood. Therefore, during the days of menstruation, leave the prayers, and after that, perform ghusl and do wudu for every prayer." So she used to do accordingly.