Fig. 2From: Letrozole versus laparoscopic ovarian drilling in clomiphene citrate-resistant women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trialsLetrozole (LE) versus laparoscopic ovarian drilling (LOD): rates of ovulation and pregnancy. (a) Ovulation rate. (b) Pregnancy rate. (c) Live birth rateBack to article page