Should a woman whose postnatal bleeding stopped before the passage of forty days observe fast?

Question 9: My wife gave birth almost seven days before Ramadaan. She became Taahir (ritually pure) before the beginning of the month. Is her Sawm (fast) valid or should she make up for it? She said that she fasted once she was Taahir. Please answer me, may Allaah reward you with the best!

Answer: If the case is as you have mentioned, and your wife fasted Ramadaan while she is Taahir, her Sawm is valid. There is no need to make up for it… read more here.