Receipt of mRNA Covid-19 Vaccines and Risk of Spontaneous Abortion

mRNA Covid-19 Vaccines and Risk of Spontaneous Abortion In this updated analysis from the CDC v-safe pregnancy registry, the cumulative risk of pregnancy loss at 6 to less than 20 weeks of gestation after receipt of Covid-19 vaccination soon after conception or in early pregnancy was consistent with rates of pregnancy loss over the same gestational age range reported in historical cohorts.