27 female, H/o pcos from past 10 years Last 6 months cycles were good. Followed by 3 months amenorrhea and had periods this month. before start profuse white discharge very clear and liquidy, First 5 Days of periods were like normal periods, and then 1 day scanty and almost brownish discharge mixed with tint of blood. But after that for continuous 4 days  are absolutely scanty flow at days but nights with profuse bleeding with clots especially. How long should this be normal? Is it bcz of 3 months amenorrhea following heavy flow that's gonna last extra days?