Hi , we are married since four years, I had PCO's and underwent Treatment to conceive 3 cycles with Clomiphene, metformin, Hcg injections...all failed, my HSG report is normal..Husband test - normal ,I also did laparoscopy ovarian drilling -Aug 2011.. now my periods are regular , i'm staying with my husband .. still waiting for conception.. right now im not on any medications , Please let me know how can i improve my chances of conception.. any tablets to improve conception... Ivf is not affordable for us.Please advise