Holistic/natural pcos treatment

Anyone have any tips? All 4 of the drs I’ve seen have said that bc is the best at controlling symptoms. I’ve been on birth control for over a month and still have an irregular cycle. My last period lasted a total of 36 days and was extremely heavy and clotty. This was my first period of the year (usually get one every 3 months).

I’m just at a loss. I’ve gained more weight since being on birth control even while watching what I eat and moderate exercise.