Talk to Gynecologist on Unable To Lose Weight ,pco Patient

i have medtiral problem that has created my weight uptill 96 kg thn i was diagnosed after test n ultrasound wth pco last year jun now my weight is stuck on 87 kg n not reducing i do exercise n walk n avoid junk food taking ramona tab . i am married n mother of 3 kids ,all by c section n had taken tl surgery also aftr 3 kid he is of 4 yr now plz guide how to reduce weight my height is 5.2 .