مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ١١٦ - WOMAN HAVING THE HABIT OF NUMBER

worship on the ٧th day and on the ٨th, ٩th and lOth day it is optional for her to abandon worship or to perform the acts of istihaza . And if her blood comes for more than١٠ days, the days which exceed her habit will be istihaza.
٥٢٥. If the blood of a woman, who has a habit of menses, is discharged continuously for a month or for more than a month after her giving birth to a child the bloodequal to the days of her habit is nifas and the blood which comes up to a period of ١٠ days after nifas is istihaza although it may have come during the days of her monthlyhabit. For example, if a woman whose habit of menses is from the ٢٠th to the ٢٧th of a month gives birth to a child on the lOth of a month and from then onwards her bloodcomes continuously for a month or for more than a month it is nifas up to the ١٧th and for ١٠ days from ١٧th even the blood which comes during the days of her habit which isfrom ٢٠th to ٢١th is istihaza. And if the blood which is discharged after the expiry of ١٠ days is during the days of her habit it is menses, whether it has the signs ofmenses or not. And the position is the same if that blood does not come during the days of her habit but has the signs of menses. However, if the blood which is dischargedfrom her body after the expiry of ١٠ days from nifas, does not come during the days of her habit of menses, and does not also possess the signs of menses, it is istihaza.
٥٢٦. If a woman does not have the habit of number and if after giving birth to a child blood is discharged from her body continuously for a month, or for more thana month, orders contained in Article ٥٢٨ apply to the first ١٠ days and as the next ١٠ days it is istihaza. And as regards the blood which comes thereafter if it has thesigns of menses or comes during the time of her habit, it is menses, but otherwise that, too, is istihaza.