and drinking, its nourishment would need to be expelled. This is what the jurists have stated. (1)
Menstruation is natural blood; it is not incidental or accidental blood. Rather, it is part of women’s natural constitution, as the Prophet, peace and blessings be upon him, said to Aisha: “This is a matter that Allah has decreed for the daughters of Adam.” (2) That is, He decreed it as part of His divine decree. In contrast, istiḥāḍa (non-menstrual bleeding) is incidental and accidental blood, as the Prophet, peace and blessings be upon him, said regarding istiḥāḍa: “It is blood from a vein.” (3) When a person knows that something has been decreed for himself and for others, it becomes easier for him to bear.
There are four types of bleeding that may affect a woman: menstruation, postnatal bleeding, istiḥāḍa (non-menstrual bleeding), and irregular bleeding. Each has its own definition and rulings, as will follow, if Allah wills.
Menstruation, then, is natural blood, as mentioned above. But does it have a lower and upper age limit, and likewise a limit concerning its duration in days?
The well-known position among the jurists is that it does have a limit. The correct view, however, is that it has no limit.
There Is No Menstruation Before Nine Years of Age, …
His statement, “There is no menstruation before nine years of age,” means that there is no legally recognized menstruation before