ArticleInternational journal of fertility & sterility2026
Effect of Intracytoplasmic Sperm Injection Alone versus ICSI and Preimplantation Genetic Screening on Pregnancy Outcomes of Patients with A History of Gestational Trophoblastic Disease: A Retrospective Study.
Article in International journal of fertility & sterility, 2026. 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
Objective: Gestational trophoblastic disease (GTD) is characterized genetically by an excess paternal genome and maternal chromosome loss. Intracytoplasmic sperm injection (ICSI) and ICSI with preimplantation genetic screening (PGS) enhance the selection of viable embryos by ensuring that only those with the appropriate genetic makeup are implanted. We aimed to evaluate the pregnancy outcome following ICSI and ICSI/PGS in infertile women with a history of GTDs. Materials and Methods: In this retrospective study, we recruited couples who were referred to the Royan Institute with infertility complaints with GTD history from 2010 to 2022. GTD had been confirmed by serial β-human chorionic gonadotrophin (β-hCG) titer, ultrasonography, and histopathology assessment of the evacuated uterine contents. The fluorescent in situ hybridization (FISH) probes were specific for the chromosomes 13, 18, 21, X, and Y. Results: A total of 69 cycles of ICSI (n=41) and ICSI/PGS (n=28) were analyzed. The two treatment groups were comparable in terms of patients' demographic characteristics. The mean number of total retrieved oocytes, MII oocytes, and obtained embryos in the ICSI/PGS cycle was higher compared to the ICSI cycle (P<0.001 for all). Also, a statistically significant difference between groups in the mean number of poor embryos (P=0.004) was found. No statistically significant difference was observed in clinical pregnancy, miscarriage, and live birth rates per embryo transfer (ET) between groups. The findings indicate that 27.2% of embryos exhibited genetic normalcy in the ICSI/PGS group. Conclusion: Despite achieving more embryos in ICSI/PGS cycles, the success rates of pregnancy in both groups are approximately the same. Both of these methods can be effective in the management of women with the previous GTD. Considering the high costs and the necessity to eliminate 46XX embryos during PGS procedures, it is advisable to restrict this method to cases with a significant risk of recurrent GTD.
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