A new study, published in the American Journal of Epidemiology, adds to evidence that there is no link between COVID-19 vaccinations and fertility impairment.

In the study, it was noted that couples had slightly lower likelihood of conception if the male partner had contracted COVID-19 within 60 days. The study included data on 2,126 women, 21 to 45 years of age, in the United States and Canada who enrolled between December 2020 and September 2021. They were followed through November 2021. The participating women completed online questionnaires every eight weeks about their reproductive and medical histories, and other factors. They could also invite their male partners to complete the questionnaires. About 73% of the women and 74% of their male partners had received at least one COVID-19 vaccine dose.

On analyzing the responses, no association was found between having been vaccinated and the likelihood of conceiving a child within one menstrual cycle. The data showed that while a prior COVID-19 infection had no strong association with the probability of conceiving among the women, men who had had COVID-19 were associated with a short-term reduction in the likelihood of conceiving. Couples in which the male partner had tested positive for COVID within 60 days had 18% lesser likelihood of conceiving in that menstrual cycle; however, there seemed to be no difference in the rate of conception for couples in which the male partner had tested positive more than 60 days before a cycle, in comparison with couples in which the male partner did not get the infection… (CNN, January 20, 2022)