Talk to Gynecologist on Gynea Problem

AoA.. doctor,my regular cycle was of 28 days or 29 days always..from last two months it is shifted to 32 days.. Moreover I had my period flow for 3-4 days previously...but from last 6 months it starts with one or two clots per day that lasts for 3 days then 2 days of heavy bleeding and again slight clots for 3 days which made my period last for almost 9-10 days..also the clots are very tiny and somehow yellow...I have consulted doctors but they said..it is not an issue...plz doctor guide me