Talk to Gynecologist on Pcos Issue Only Gyneacologist Please

hi i m 32 f married with one kid 4 year old .i m suffering from pcos from many years before periods are 2,3 months i get my i want to concieve again for which i have lose 9 kg weight from last 3 months and now my current weight is 80 kg and i m taking metformin 500mg od regularly from past 1 week but my period did not came yet its been 2 month since i got my last should i do ? should i take progesterone for period as usual or shud i wait one more month. i have tested for HCG its negative guide me i m really very worried,