Is the woman advised by doctors not to observe Sawm due to experiencing an operation exempted from Sawm?

Question: I underwent surgery at the beginning of Ramadaan, during which I did not perform Sawm (Fast) according to the recommendation of the doctors. I gave out the equivalent of Mudd (a dry measure of half bushel, 543 grams) of wheat. I asked scholars, some of whom said that feeding Miskeens (needy people) is valid, while others said that I must perform Sawm for this month. I hope Your Eminence will answer the following questions, take into consideration that two years have passed and I did not perform Sawm for this month:

1 – Should I perform Sawm for this month or feeding is valid?
2 – If it is not valid, is it permissible to perform Sawm for this month before next Ramadaan?

Answer: You should perform compensatory Sawm for the days you broke your Sawm in Ramadaan at the time of the surgery. Allaah (Exalted be He) says: …and whoever is ill or on a journey, the same number [of days which one did not observe Sawm (fasts) must be made up] from other days. Moreover, you should feed a Miskeen (needy) for every day you delayed the performance of compensatory Sawm until the next Ramadaan had come… read more here.