Reference: Sharh ‘Umdatil-Fiqh – Tape No.7, Question No.44
Question: If a woman notices [some] blood, and thereby stops praying, would she then have to make-up the prayers she has missed if the [flow of] blood stops within that day?
Response: If it becomes apparent that it is not menstrual blood, then she must make-up the prayers [she has missed]. So long as she is sure it is not menstrual blood, then yes, she must make-up the prayers she has missed.
