Biotechnological and clinical outcome of in vitro fertilization in non-obese patients with polycystic ovarian syndrome.

<strong>INTRODUCTION</strong><br />Polycystic ovarian syndrome (PCOS) is a hormonal and metabolic disorder which poses problems with controlled ovarian stimulation (COH). It has been also postulated that PCOS patients have oocytes and embryos with poorer quality which affects IVF results.<br /><br /><strong>AIM</strong><br />To verify IVF outcome in non-obese patients with PCOS.<br /><br /><strong>MATERIALS AND METHODS</strong><br />IVF results of 71 non-obese PCOS patients with 243 non-obese non-POCS patients, regardless of stimulation protocol, from years 2004-2006 were compared.<br /><br /><strong>RESULTS</strong><br />Biotechnological results of PCOS patients in opposition to non-PCOS patients were respectively as follows: higher average number (10.19 vs. 7.61; p=0.001) and percentage (82.34% vs. 76.25%; p=0.025) of retrieved mature M2 oocytes; similar (77.01% vs. 76.75%; p=0.835) fertilization rate with higher average number of embryos (7.633 vs. 5.650 p=0.003); higher average number (4.830 vs. 3.304; p=0.001) and percentage (65.66% vs. 60.57%; p=0.006) of embryos with optimal Z1 and Z2 pronuclei pattern according to Scott; higher average number of class Aembryos (3.57 vs. 2.34; p=0.001). Similar number of embryos were transferred in both groups (2.408 vs. 2.485, p=0.552). Clinical results in PCOS and non-PCOS patients were as follows: similar stimulation duration (10.53 days vs. 10.31 days; p=0.639) with significant less gonadotropin total usage (1866.54 IU vs. 2276.18 IU; p=0.001). Also clinical pregnancy per transfer (57.75% vs. 41.98%; p=0.021) and delivery per transfer (45.07% vs. 32.51%; p=0.066) were more often in PCOS patients with comparable miscarriages (12,68% vs. 6,58%; p=0.131) and ectopic pregnancy (0.00% vs. 2.06%; p=0.591) rates, respectively.<br /><br /><strong>CONCLUSION</strong><br />PCOS in non-obese patients is linked with good biotechnological and clinical IVF outcome.<br /><br />

Abstract licence: CC BY-NC-ND

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