35 yr old female my period always regular 25 to 28 days... last month my period was on 45 th day and had bleeding for 4 days... this month my period is on 26 th day for first two days period bleeding was normal from 3 rd to 5 th day flow was less and getting dark brown medium size clots during standing and sitting for pee... today 6 th day sometime flow is there sometimes no flow sometimes small clots coming while standing