Is it permissible for a menstruating woman to perform ghusl, prayer, and fasting, and to engage in sexual intercourse with her husband on the days when blood flow stops during her menstrual period?

If a woman sees purity by one of its two signs (dryness or white discharge), she must perform ghusl and becomes pure. She then has all the rulings of pure women regarding prayer, fasting, touching the Mushaf, and marital intimacy.

If blood reappears within a period that could be considered menstruation (i.e., within a maximum duration of 15 days), she becomes menopausal again. Scholars differ concerning the ruling on the period between the two bleeding instances: The قول التلفيق (Talfiq view): It considers it a valid period of purity, and all acts of worship performed during it are valid (such as the view of the Malikis and Hanbalis). The قول السحب (Sahb view): It considers it menstruation retroactively, and the acts of worship performed during this period are invalidated. She must make up for obligatory fasting, circumambulation (tawaf), and similar acts. However, she is not required to make up for prayers (such as the view of Abu Hanifa, and it is the preponderant view among the Shafi'is).

According to both views, if a woman sees purity, she acts as a pure woman: she performs ghusl, fasts, prays, and her husband is permitted to have intercourse with her. If blood reappears, the ruling for that period becomes clear based on the adopted view.