Question 144: Usually my monthly period lasts for nine or ten days. After I become pure and start doing the house chores, I bleed once more but intermittently, which confuses me. Therefore, I would like to know the exact duration of the menstrual period. If it comes back after elapse of the time stated in Sharee‘ah that a period may last, is it permissible for me to fast, pray, and go to the Haraam to make ‘Umrah (Lesser pilgrimage)? Is it permissible for me to use pills to stop my menstrual period during the month of Ramadaan. Is this permissible or Haraam (prohibited)?
Answer: All praise be to Allaah Alone, and peace and blessings be upon His Messenger, and his family and Companions. First: The duration of your menstrual period is the length of time your period usually lasts, which in your case is nine or ten days. When the bleeding ceases after these nine or ten days, you should take Ghusl (ritual bath) and then you can pray, fast, or circumambulate the Ka‘bah during Hajj or ‘Umrah, or do any supererogatory acts of worship… read more here.