Suggest Treatment For Irregular Periods When Trying To Conceive

Hello doctor, I have pcod problem and have irregular periods.. trying to concieve from beginning of this year.. i have recently changed my gynac.. she has prescirbed zomet sr 500 onetab per day for 1st week, 2 tab per day for 2nd week, zomet sr 850 2tab per day for 3rd week, from 20th to 27th day duphaston 10 one per day.. fesovit one per day for 4 months.. does this help me to conceive.. does these tabs prevent from getting pregnant.. she has asked me to come for a review every month to check my weight.. during this cycle on which days should we have a intercouse which helps for pregnancy..