Anything upto 8-9 days as thats my habit, is hayz and anything after whatever flow light, medium or heavy, its istehadha. Right? January 28, 2020 by Hasan mahdi The period of hayz is not less than 3 days and not more than 10 days .So if anything discharge aftet 10 days will consider istehadha. Mu'alimah Ishrat Fatima women