ArticleJournal of assisted reproduction and genetics2024
ICSI and PGT-A in PCOS phenotype-D patients: a matched case-control study versus idiopathic infertile women.
Article in Journal of assisted reproduction and genetics, 2024. 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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15 authors.
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Abstract
purposeTo assess oocyte competence and embryo chromosomal constitution in phenotype-D PCOS women undergoing ICSI for PGT-A at the blastocyst stage.
methodsRetrospective study at a private IVF center. In the period 2013-2021, 58 naïve phenotype-D PCOS women (i.e., oligomenorrhea, ovarian PCO-morphology, and absence of hyperandrogenism) underwent ICSI with ejaculated sperm for PGT-A. These cases were matched to 58 controls selected from 2211 naïve women with idiopathic infertility planned for the same treatment in the same period. The matching variables were age (≈ 36 years), BMI (≈ 22), cumulus oocyte complexes (COCs) retrieved (≈ 21-23), and sperm quality (≈ 43-45% men with all sperm parameters > 5th percentile). The primary outcome was euploid blastocyst rate (EBR) per cohort of inseminated oocytes.
resultsMaturation rates per COCs and euploidy per biopsied blastocysts were similar. PCOS patients with phenotype-D showed higher fertilization per inseminated oocytes and higher blastulation per zygotes. This resulted into a higher EBR per inseminated oocytes and more euploid blastocysts available for transfer, although these differences adjusted for confounders were not significant. The live birth rate per first euploid transfers was comparable, so were all other outcomes considered.
conclusionsOocyte competence was not compromised in phenotype-D PCOS women, while good prognosis idiopathic infertile women might have unknown oocyte issues. In case of repeated failures after intrauterine insemination, a timely referral to IVF might represent an efficient strategy, in line with the "one-and-done" approach fulfilling a family planning perspective. Indeed, 22% of the phenotype-D PCOS women had 2 singleton LBs and 76% had surplus oocytes/euploid blastocysts after achieving ≥ 1 live birth.
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