After a handful of cases in Ireland, clinicians there are warning that the virus might infect the placenta in very rare instances and cause fetal distress, but a rise in stillbirths has not been seen in epidemiological studies.

Scientists at the US CDC report no red flags in a preliminary analysis of the safety of Pfizer/BioNTech’s and Moderna’s mRNA-based immunizations among expectant mothers.

Epigenetic marks acquired from environmental exposures throughout life influence human health and may even transcend generations.

Geeta Swamy of Duke University School of Medicine speaks with The Scientist about starting what she considers a long-overdue clinical study of COVID-19 vaccines in pregnant women.

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

See a news report on a study of expectant mothers with SARS-CoV-2 infections.

Compared with Zika and cytomegalovirus, the virus that causes COVID-19 appears to have a harder time penetrating the placenta and moving to a woman’s unborn baby.

The virus rarely spreads from mother to child before birth, but it can—and researchers are starting to investigate the path it takes.

Tiny doses of maternal poo mixed with breast milk and given to Cesarean-born infants makes their gut microbiota resemble those of babies born vaginally.