Talk to Gynecologist on Periods And Spotting For 3 Months

I have irregular periods issue since the age of 15 and abhi tak theek ya better nahi hosaka. Pcos ki wajah se bohat musail hain. My weight is 64kgs i'm trying to reduce it however my periods are irregular. mujhe 3 months se oper hogaye hain periods atay hain 10 days phir spotting phir kuch days khatam phir periods phir spotting and cycle repeats. kabhi 1 month delay bhi hojatay hain. 1 week pheley ultrasound karwaya tha sab clear hai liken yeh issue samjh nahi araha, need help with this, pls tell me if anyone can guide me with this issue as its becoming problematic for me.