Please help. For my high blood pressure?

I have a problem of high blood pressure. Reason is not known. I suffer from PCOS and insulin resistance as well. Although I take glycomet for my PCOS and my dr had suggested ciplar 10mg double dose for my blood pressure and I have been taking those since the last 7 months and my dr had said to stop ciplar and now my BP is 130 /98 ...I am very sad and I don't know what to do about this ..what could my blood pressure be linked to...I am overweight ...is that the reason? My height is 157 cm and weight is 69 kg...I had recently lost weight but gained again...I really want to get rid of BP and at this age if I am suffering with this problem I may start to face other problems which come with it. I had tests like renal Doppler etc which were all normal. What could be responsible for my high blood pressure? Please help!