This document discusses the Islamic laws regarding menstruation, postnatal bleeding, and dysfunctional uterine bleeding according to the Hanafi school of Islamic law. It provides definitions and details rules around the timing and duration of menstruation and postnatal bleeding. It outlines eight activities that are prohibited during menstruation and postnatal bleeding, including prayer, fasting, touching or reciting the Quran, entering a mosque, circumambulation of the Kaaba, and sexual intercourse. It also discusses when menstruation ends and changes to a woman's menstrual cycle.