Her menstrual days increased after she used birth control pills; does she have to observe them?

Question:
May Allah reward you with good and do you good. A woman says that her monthly period lasts about seven days, but after she started using birth control, her period has become nine or ten days every month. Does she have to leave off the prayer and fasting for the entire duration, or does she leave it off for only seven days and then take a bath, pray, and fast for the rest of the days? Please inform us. May Allah reward you with good.

Answer:
If the blood is continuous and does not exceed fifteen days, it is considered menstruation. It is possible for the usual duration to increase due to her taking this medication, as it may be expelled during the usual period and increase its length. As long as the blood is continuous and does not exceed fifteen days, it is a custom to which she must adhere, and she leaves off the prayer and fasting during it. Yes.