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. 2022 Aug;306(2):493-499.
doi: 10.1007/s00404-022-06471-x. Epub 2022 Feb 27.

Comparison of ICSI and conventional IVF in non-male factor patients with less than four oocytes

Mete Isikoglu  1 , Ayse Kendirci Ceviren  2 , Tugba Cetin  2 , Aysenur Avci  2 , Batu Aydinuraz  2 , Ozlem Karabay Akgul  3 , Mehmet Karaca  4
Affiliations

Comparison of ICSI and conventional IVF in non-male factor patients with less than four oocytes

Mete Isikoglu et al. Arch Gynecol Obstet. 2022 Aug.

Abstract

Background: We aimed to analyse our clinical results for a particular subgroup of patients with poor ovarian response (POR) to clarify if lower number of oocytes is a drawback for proceeding to C-IVF.

Materials and methods: In this retrospective study, patient files of all couples (#1733) who underwent oocyte retrieval between January 2017 and December 2019 were reviewed and 191 cases diagnosed with non-male factor infertility in which ≤ 3 cumulus-oocyte complexes available for fertilisation were analysed. Exclusion criteria were: woman age > 42, patients with a history of previous ART trial, prenatal genetic testing cycles and couples undergoing total cryopreservation for any indication. Three groups were constructed depending on the method of fertilisation and on semen quality as follows: IVF non-male factor (Group 1, n = 77); ICSI non-male factor (Group 2, n = 65); ICSI male factor-ICSI/MF n = 49 according to WHO reference values. Main outcome parameters were: fertilisation rate, implantation rate and live birth rate.

Results: Fertilisation rate per collected COC was significantly higher in group 1 compared to the other two groups (85.68%, 72.58%, 73.33% respectively, p = 0.004). FR per inseminated oocyte also tended to be higher in group 1 but not reaching a statistically significant level. Both techniques yielded similar implantation rates (20.42%, 28.49%, 23.33% respectively, p = 0.407) and live birth rates (26.8%, 30.6%, 31.1%, respectively, p = 0.643).

Conclusion: In the presence of normal semen parameters, low egg number is not an indication to perform ICSI. The choice of fertilisation method should be based primarily on semen quality, in combination with the patient's previous history regardless of the ovarian reserve.

Keywords: Clinical pregnancy rate; ICSI; IVF; Implantation rate; Poor ovarian reserve.

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