If the woman in post-natal bleeding becomes pure and then the blood returns to her while she is fasting

Q: If the woman in post-natal bleeding becomes pure within a week and then fasts with the Muslims for a few days in Ramadan, and then the blood returns to her, does she break her fast in this case? And is it obligatory for her to make up the days she fasted and the days she broke her fast?

A: If the woman in post-natal bleeding becomes pure within the forty days and fasts for some days, and then the blood returns to her within the forty days, her fast is valid. She must leave off the prayer and fasting on the days when the blood returns—because it is post-natal bleeding—until she becomes pure or completes the forty days. Once she has completed the forty days, it is obligatory for her to perform the full ritual bath, even if she does not see purity; because the forty days are the end of post-natal bleeding according to the more correct of the two opinions of the scholars. After that, she must perform the ablution for the time of every prayer until the blood stops from her, as the Prophet (peace and blessings be upon him) commanded the woman with irregular bleeding to do. Her husband may enjoy her after the forty days, even if she does not see purity; because the blood, in the situation described, is blood of corruption that does not prevent prayer or fasting, and does not prevent the husband from enjoying his wife. However, if the blood after the forty days coincides with her custom for menstruation, she must leave off the prayer and fasting and consider it menstruation.
And success is from Allah.