What is the ruling on the brown discharge that appears a week before the menstrual period and is connected to it, knowing that its duration with the menses is less than 15 days, and the interval between the two periods exceeds 13 days?

Yellowish and brownish discharges are considered menstruation if they occur immediately after the cessation of blood flow. If these discharges occur outside the usual period and before seeing blood, they are not considered menstruation. However, if they are connected to the blood at the end of the period, then they are considered menstruation, and purity is not attained until their cessation.