Background: The impact of COVID-19 on reproductive health is controversial. The association between female SARS-CoV-2 infection and laboratory and pregnancy outcomes following subsequent in vitro fertilization (IVF) treatment remains unclear. This study aimed to investigate the relationship between IVF treatment at different time intervals after SARS-CoV-2 infection and reproductive outcomes.
Methods: A prospective cohort study of 920 IVF cycles post-SARS-CoV-2 infection was conducted. Modified Poisson regression and logistic regression models were utilized to evaluate oocyte- and embryo-related outcomes as well as clinical outcomes. Stratified analyses were also performed based on the vaccination status of the female participants.
Results: SARS-CoV-2 infection within three months was associated with reduced available [Adjusted RR (aRR): 0.96, 95 %CI: 0.91-1.00] and top-quality embryos (aRR: 0.90, 95 %CI: 0.83-0.98) in subsequent IVF treatment. Among patients failing to finish the three-dose vaccination, the interval between SARS-CoV-2 infection and cycle initiation of less than 90 days was associated with a lower number of oocytes retrieval (aRR: 8.81, 95 %CI: 8.24-9.41 vs aRR: 9.64, 95 %CI: 9.06-10.25), available embryos (aRR: 0.93, 95 %CI: 0.88-0.99), and top-quality embryos (aRR: 0.81, 95 %CI: 0.72-0.91) rather than among fully vaccinated women. Moreover, COVID-19 infection was not associated with biochemical pregnancy, clinical pregnancy, embryo implantation, and early abortion either in fresh embryo transfer (ET) or frozen ET.
Conclusions: This study indicated that initiating IVF treatment within 90 days of SARS-CoV-2 infection might reduce the likelihood of obtaining available and top-quality embryos, especially among those who had not completed the three-dose vaccination. Nevertheless, female COVID-19 infection did not affect pregnancy or early abortion. Further rigorously designed studies are required to support these findings.
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http://dx.doi.org/10.1016/j.intimp.2024.112291 | DOI Listing |
Access Microbiol
January 2025
Department of Emergency Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
Comparative immunogenicity from different mRNA booster vaccines (directed at WT, BA.1 or BA.4/5 antigens) remains unclear.
View Article and Find Full Text PDFCureus
December 2024
College of Medicine, Qassim University, Buraydah, SAU.
Background Coronavirus disease (COVID-19), a widespread viral illness, has been linked to a range of respiratory and other systemic symptoms. Along with the respiratory symptoms caused by severe acute respiratory syndrome coronavirus (SARS-CoV-2), many extrapulmonary manifestations have also been reported. This study was conducted to report the ocular manifestations of COVID-19 in confirmed cases from the Qassim region, of Saudi Arabia.
View Article and Find Full Text PDFJ Tradit Complement Med
January 2025
School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, PR China.
Background: COVID-19 infection has a lasting impact on human health, which is known as post-COVID-19 conditions. Fatigue is one of the most commonly reported post-COVID-19 conditions. Management of fatigue in the post-COVID-19 era is necessary and emerging.
View Article and Find Full Text PDFJ Tradit Complement Med
January 2025
National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei City, 112026, Taiwan.
Amidst growing concerns over COVID-19 aftereffects like fatigue and cognitive issues, NRICM101, a traditional Chinese medicine, has shown promise. Used by over 2 million people globally, it notably reduces hospitalizations and intubations in COVID-19 patients. To explore whether NRICM101 could combat COVID-19 brain fog, we tested NRICM101 on hACE2 transgenic mice administered the S1 protein of SARS-CoV-2, aiming to mitigate S1-induced cognitive issues by measuring animal behaviors, immunohistochemistry (IHC) staining, and next-generation sequencing (NGS) analysis.
View Article and Find Full Text PDFNew Microbes New Infect
February 2025
Department of Global and Public Health, Epidemiology, Biostatistics and Prevention Institute, WHO Collaborating Centre for Travellers' Health, Centre of Competence for Military Medicine Biology, University of Zürich, Switzerland.
Background: The rapid development and distribution of mRNA COVID-19 vaccines has been essential in containing the SARS-CoV-2 epidemic around the globe. For ongoing and future immunization campaigns globally, there is a need to evaluate the impact of population demographics such as age and sex, on vaccine efficacy and safety.
Methods: This systematic review (PROSPERO ID CRD42023328245) conducted according to PRISMA guidelines evaluates the impact of age and sex on the safety and efficacy of the mRNA COVID-19 vaccinations administrated in 15 studies that were chosen according to strict criteria.
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