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No Effect of Inactivated SARS-CoV-2 Vaccination on in vitro Fertilization Outcomes: A Propensity Score-Matched Study
PURPOSE: To investigate the impact of inactivated SARS-CoV-2 vaccination on in vitro fertilization (IVF) outcomes. PATIENTS AND METHODS: This retrospective cohort study included 2185 patients undergoing fresh IVF cycles from June 1st to September 13th 2021 in a single university-affiliated hospital....
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8843422/ https://www.ncbi.nlm.nih.gov/pubmed/35177919 http://dx.doi.org/10.2147/JIR.S347729 |
Sumario: | PURPOSE: To investigate the impact of inactivated SARS-CoV-2 vaccination on in vitro fertilization (IVF) outcomes. PATIENTS AND METHODS: This retrospective cohort study included 2185 patients undergoing fresh IVF cycles from June 1st to September 13th 2021 in a single university-affiliated hospital. Vaccine administration information was collected and ascertained via immunization records. Patients with two dosages of inactivated SARS-CoV-2 vaccines (Sinopharm or Sinovac) were categorized into the vaccinated group (n = 150), while those unvaccinated were classified as control (n = 2035). Propensity score matching was performed to balance the baseline characteristics (14 covariates) between the two groups at a ratio of 1:4. The main outcome measures were the number of oocytes retrieved, good-quality embryo rate and clinical pregnancy rate. RESULTS: There were 146 women in the vaccinated group and 584 in the control group after matching. The number of oocytes retrieved (9.9 ± 7.1 vs 9.9 ± 6.7; P = 0.893), good-quality embryo rate (33.5 ± 29.8% vs 29.9 ± 28.6%; P = 0.184) and clinical pregnancy rate (59.1% vs 63.6%; P = 0.507) were all similar between the two groups. In addition, no significant differences were observed regarding other cycle characteristics, laboratory parameters and pregnancy outcomes. The results were also comparable when vaccinated patients were subdivided into three categories based on the time interval from complete vaccination to cycle initiation: ≤1 month, >1–2 months, and >2 months. CONCLUSION: Our study provided the first-time evidence that inactivated SARS-CoV-2 vaccination in females did not result in any measurable detrimental effects on IVF treatment. Owing to the present limitations, further prospective studies with larger cohort size and longer follow-up are warranted to validate our conclusion. |
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