Kindly refer to the following link(s):
Menstruation: Irregular Period/Menses By Assim Al Hakeem
13 days menses and Spotting | Sheikh Assim Al Hakeem
Irregular Periods, Menses exceeding 15 days & determining purity
What is Istihadah, Continous bleeding that is not her period, Ghusl on 14th day (2 periods in a month)
Minimal Period Between Two Menstruations
Spotting and Discharge
After menses saw brown discharge, must I make ghusl again? (spotting before & after)
Spotting before and after periods or menses
Seeing blood or spotting after the menses / period ends
Brown discharge after period & I don't see signs of purity, when should I start praying?
Woman sees purity (white discharge) along with brown, yellow discharge, is she pure?
Does off white / light yellow discharge affect my wudu?
If a girl doesn't see purity after menses, how long should she wait to perform ghusl
Determine End of Period
Wipe or Insert to Determine End of Period/Menses? | Sheikh Assim Al Hakeem
Period is inconsistent, sometimes 4,5 or 6 days If it stops on day 4 for 12 hours, must I make ghusl?