Suggest Treatment For Increasing Follicle Growth

hi Dr. am juliet. I am 29year old married for 4years and having PCOD. have irregular period. have had follicular study on day9 11mm day11day 13mm and day13, 17mm. from the scan it expected to repature at 25mm. but i was told that the growth is a bit low. pls what do i do. i really want to conceive.is there any drugs that can help my follicles to grow fast and is the egg after release going to be strong enough to fertilse or will it shrink back. please am sorry for so many questions. am just desprate. my email YYYY@YYYY