Fig. 1From: Risk factors for low oocyte retrieval in patients with polycystic ovarian syndrome undergoing in vitro fertilizationThe non-normal distribution of the frequency of oocyte retrieval rate (ORR) values in patients with PCOS undergoing IVF/ICSI. ORR was defined as the ratio of the number of oocytes obtained to the number of follicles visualized on ultrasound with a diameter ≥ 12 mm on the trigger dayBack to article page