BackgroundVaccine hesitancy was found in couples seeking artificial reproductive technology (ART) services. As the main vaccine used in China. investigations into the influence of inactivated coronavirus disease 2019 (COVID-19) vaccines on human fertility is needed. MethodsThis retrospective cohort study included data on COVID-19 vaccination. https://www.parisnaturalfoodes.shop/product-category/activated-charcoal-powder/