💫 Answer: If a woman usually gets her period on a fixed date, for example, on March 2nd, and today, March 2nd, was the expected day, she deliberately broke her fast, but the period did not come, then Kaffarah (expiation) is not obligatory. Only Qada (making up the fast) is necessary.
(📚 Bahar-e-Shariat, Part 5, Fasting Rulings)