The live-birth rate was % (47 of subjects) in the clomiphene group, % (15 of ) in the metformin group, and % (56 of ) in. A Metformin wins hands-down in nonobese women. Although the 2 drugs induced ovulation at roughly the same rate, metformin was associated with a higher. mag. Home · Clomid metformin pcos Metformin and Clomid Use with PCOS. Women who do Side Effects of Glucophage / Metformin and Clomid for PCOS.