The World Federation One Stop Fiqh

Ruling 487

If a mubtadiʾah experiences bleeding for more than ten days, and on some of the days the bleeding has the attributes of ḥayḍ and on others the attributes of istiḥāḍah, but the bleeding that has the attributes of ḥayḍ lasts for less than three days or more than ten, then in this case, she must act according to the instructions mentioned in Ruling 479.