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Objective: The aim of this study was to compare the effects of conventional insemination ( in vitro  fertilization [IVF]) and intracytoplasmic sperm injection (ICSI) on the fertilization, developmental competence, implantation potential, and clinical pregnancy rate of embryos derived from  in vitro  matured oocytes of patients with polycystic ovary syndrome (PCOS).Methods: A prospective study was carried out among 38 PCOS patients who had undergone  in vitro  maturation (IVM) treatment. In total, 828 immature oocytes were collected from 42 cycles and randomly assigned for insemination by IVF (416 oocytes) or ICSI (412 oocytes). After fertilization, the embryos were cultured until the blastocyst stage and single embryos were transferred after endometrial preparation and under ultrasound guidance.Results: No significant differences were found in the maturation rate (78.1% vs. 72.6% for IVF and ICSI insemination, respectively;  p = 0.076), fertilization rate (59.4% vs. 66.9% for IVF and ICSI insemination, respectively;  p = 0.063), or the formation of good-quality blastocysts (40.9% vs. 46.5% for IVF and ICSI insemination, respectively;  p = 0.314). Implantation and clinical pregnancy also did not show significant differences.Conclusion: There was a comparable yield of  in vitro  matured oocytes derived from PCOS patients in terms of fertilization, blastocyst formation, implantation rate, and clinical pregnancy between IVF and ICSI insemination. These findings provide valuable insights for choosing assisted reproductive treatment in women with PCOS, as IVM offers promising outcomes and is less invasive and less costly.

The effect of insemination methods on in vitro maturation outcomes