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Updated: Oct 19, 2025

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
An update on COVID-19 and pregnancy
Denise J Jamieson1, Sonja A Rasmussen2
1Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA.
Pregnancy is a risk factor for severe COVID-19, increasing ICU admission and mortality. While intrauterine transmission is rare, SARS-CoV-2 infection is linked to adverse pregnancy outcomes. COVID-19 vaccines are safe for pregnant individuals.
Area of Science:
- Obstetrics and Gynecology
- Infectious Diseases
- Public Health
Background:
- Pregnancy involves physiological, mechanical, and immunologic changes that may impact COVID-19 susceptibility and severity.
- Current data are insufficient to determine if pregnancy increases SARS-CoV-2 susceptibility due to confounding exposure risks.
- Pregnancy is identified as a risk factor for severe COVID-19 outcomes.
Purpose of the Study:
- To review the impact of COVID-19 on pregnancy, including susceptibility, severity, transmission, and outcomes.
- To assess the association between SARS-CoV-2 infection and adverse pregnancy outcomes.
- To evaluate the safety and recommendations for COVID-19 vaccination in pregnant individuals.
Main Methods:
- Review of surveillance data, including from the US Centers for Disease Control and Prevention (CDC).
- Analysis of documented cases of intrauterine SARS-CoV-2 transmission.
- Examination of evidence linking COVID-19 infection in pregnancy to adverse maternal and infant health outcomes.
- Assessment of accumulating safety data for COVID-19 vaccines in pregnant and lactating populations.
Main Results:
- Pregnant individuals with COVID-19 are at higher risk for ICU admission, mechanical ventilation, ECMO, and death compared to nonpregnant women.
- Intrauterine SARS-CoV-2 transmission is documented but appears rare, potentially due to low viral load and placental factors.
- COVID-19 infection during pregnancy is associated with preeclampsia, preterm birth, and stillbirth, particularly in severe cases.
- The pandemic's impact on healthcare systems has also led to adverse pregnancy outcomes, including increased stillbirths and maternal deaths.
- All available US COVID-19 vaccines can be administered to pregnant or lactating individuals; no safety signals have been detected.
Conclusions:
- Pregnancy is a significant risk factor for severe COVID-19 disease.
- SARS-CoV-2 infection during pregnancy is linked to adverse outcomes, and the pandemic has exacerbated maternal and infant health issues.
- COVID-19 vaccination is recommended for pregnant and lactating individuals, though further data on birth outcomes are needed.
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