PCOD Treatment. System or what?

Since starting I have irregular periods. I used to have periods after 35 days then 2.5 months. Afterwords I gained 10 kg weight in 6 months and not had periods.I took restrogen then got periods.Again I gained 10 kg weight in next 6 months.Then visited gynoclogists . Done blood test.Everything is noraml. Done sonograpgy in which it is found ovary size is bigger than normal.so Doctor dignosed I have PCOD. I did course of 21 tablets for 6 months.For that 6 months and later 2 months I had periods.Again no periods for 3 months.So visited gynocologist and took restrogen, had periods.Then 5months no periods.Took resteogen , had periods. What should I do? No weight loss, too much facial hairs, pimples on face. which is best treatment for unmarried girls? Ayurvedic?Homeopathic? Alleopathic? Doctor also suggetsing to loose weight, I am trying but not getting results. As well taking hard treatment before marriage may harm my reproductive system or what? Please help me.