Aberrant immune activation, the main cause of prematurity and stillbirths, could be preventable through interventions such as maternal vaccination. 

Evidence thus far shows that pregnant people infected with SARS-CoV-2 are at higher risk for severe disease and death, as well as complications in their pregnancies.

Male placentas produce more proinflammatory molecules than female placentas, while people carrying male fetuses produce fewer antibodies in response to infection, a study finds.

A case study finds SARS-CoV-2 antibodies in placental cord blood after maternal vaccination.

The first-of-its-kind study follows on the heels of ethicists’ urging vaccine developers to conduct clinical trials in pregnant women.