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Previous research has established that there is an increased risk for stillbirth and preterm birth after SARS-CoV-2 infection in pregnancy. A new study finds that the timing of infection during pregnancy matters, with early infection being a worse risk factor than late infection for the two outcomes.

The study also finds that COVID vaccination may protect against the infection-related risks for stillbirth and preterm birth.

The absolute rate of stillbirth across this cohort of infected pregnant women was very low (0.87%), whereas the rates of early preterm birth (2.05%) and late preterm birth (8.34%) were higher.

Vaccination against COVID reduced the risk for stillbirth by a significant 68% compared with no vaccination.

Vaccination also reduced the risks for early preterm birth by a non-significant 35% and late preterm birth by a significant 27% compared with no vaccination. Head over to Medscape to read the full story.