ArticleThe Journal of international medical research2025
Comparison of the outcomes of patients with non-male factor infertility and poor ovarian response undergoing in vitro fertilization and intracytoplasmic sperm injection.
Article in The Journal of international medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
ObjectivesTo investigate whether intracytoplasmic sperm injection can achieve better embryonic and clinical outcomes compared with in vitro fertilization in women with non-male factor infertility and poor ovarian response.MethodsThis retrospective cohort study analyzed data from a single academically affiliated fertility clinic. The participants included couples with non-male factor infertility and poor ovarian response (normal male spermatozoa) who underwent oocyte retrieval with an oocyte yield of ≤4 between January 2016 and December 2022.ResultsA total of 766 oocyte retrieval cycles were included, with 318 cycles in the in vitro fertilization group and 448 in the intracytoplasmic sperm injection group. The in vitro fertilization group showed a higher fertilization rate (89.31% vs. 83.06%, p = 0.0002), while the intracytoplasmic sperm injection group had higher two-pronuclear fertilization rates and higher quality of embryos (76.90% vs. 67.44%, p < 0.001 and 54.86% vs. 43.94%, p < 0.001, respectively). However, no significant differences were observed in the clinical pregnancy rates, ongoing pregnancy rates, live birth rates, miscarriage rates, embryo implantation rates, and cumulative live birth rates between the two groups. In addition, multivariate logistic regression analysis, adjusted for potential confounding factors, showed no significant differences in the clinical pregnancy and live birth rates between the two groups.ConclusionIn women with non-male factor infertility and poor ovarian response, intracytoplasmic sperm injection provides no significant improvements in embryonic or clinical outcomes compared with in vitro fertilization.
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