Mudhtaribah (The Disordered One)
500. Mudhtaribah is a woman who may have seen blood for some months, but did not form a fixed habit, or her previous habit has messed up and she has not yet formed a new habit (neither of time nor of duration). If such a woman sees blood for more than 10 days, and if the nature of blood remains same, she will refer to the prevailing habits among her relatives and adopt it; be it 7 day or less or more than that. However, if their habit is less or more than 7 days, then they should act according to the precautionary measure mentioned in ruling no. 495, and if the number of habitual days of her relatives vary from each other, then each month from the day of commencement of period till six or seven days she should consider the blood discharged as Hayz, and the remaining days the blood discharged will be considered as Istihadha.
501. If Mudhtaribah sees blood for more than ten days, and if for some days the blood has the signs of Hayz and during other days has the signs of Istihadha, and if the blood which has the signs of Hayz is less than 3 days or more than 10 days, then one should act according to the foregoing ruling. And if the blood bearing the signs of Hayz is not for less than 3 days nor more than 10 days, then all of it is Hayz. And if after having determined her Hayz period, she again sees blood before completing 10 days of being Pak, again with the signs of Hayz, for example, if dark blood is seen for five days and yellowish blood is seen for nine days, and dark blood is seen again for five days, it is necessary for her that during both time of discharge of blood bearing the signs of Hayz, she should act according to the precautionary measures and refrain from the acts which are forbidden for Haa'ez and should perform the obligations of a Mustahadha.