Question: My wife observed Sawm (Fast) during the recommended six days in Shawwaal. During these days, she noticed some vaginal bleeding, but not menstrual blood. This blood she notices resulted from taking contraceptive pills. Is her Sawm permissible in this case? Please advise us on this question.
Answer: If your wife experienced vaginal bleeding on days outside her regular menstrual period, which does not have the characteristics of menstrual blood, then most probably it was irregular bleeding that is caused by taking the contraceptive pills. This blood falls under the same ruling as Istihaadah (abnormal vaginal bleeding outside the menstrual or post-partum period)… read more here.