This manual is a comprehensive reference of the Book of Menstruation: Dhukhr al-Muta'ahhilin wa Nisa' fi ta'rif al-Athar wa al-Dima' by Imam Muhammad al-Birgivî (d.981/1573). It is the most authoritative work on menstruation, lochia and related issues in the Hanafi school of fiqh (jurisprudence), which the majority of Muslims follow. It has a unique and detailed explanation of the various scenarios given by Imam Birgivî and a compilation of the 'Comprehensive Precepts' that govern the legal rulings of menstruation, lochia and related issues. It also includes a medical section on various vaginal discharges that afflict many women in the modern age, as well as practical charts to record the menstrual and/or lochial habit.