Are the fasting and prayers of a woman in nifas valid if her bleeding stopped for two months after childbirth, then she experienced another discharge of blood before her next menstrual period?

The blood that descends in Ramadan is not post-natal bleeding (nifas) by consensus. If it appears during the time of her usual period with a foul odor and a dark, intense color, then it is menstrual blood, and prayer and fasting are not permissible with it. The days on which it occurred must be made up. Otherwise, it is istihada (irregular bleeding), and prayer and fasting are valid.