I M 26 Year Old...I M Having Pcod Problem Since

I m 26 year old...I m having pcod problem since March....my doctor suggested metphormin 500 mg per day for last 6 months....and also have have taken regestrone 5 mg from 23d day of m period..when I was taking medicine my period was regular(3 days earlier)... Last month I have taken scan..no cyst found....my report was normal...so I stopped all medicines....that month I didn't get period ...my upt test is also negative..I m eagerly waiting to pregnant.... Now my doctor suggest deviry 10 mg two per day ... My height 153 cm weight 59 kg....what to do? I m worry about my irregular periods... Tell some suggestions to increase chance of conceive...