The association of COVID-19 infection in pregnancy with preterm birth: A retrospective cohort study in California

Deborah Karasek, Rebecca J Baer, Monica R McLemore, …, Martha Tesfalul, Larry Rand, Laura L Jelliffe-Pawlowski

• DOI: 10.1016/j.lana.2021.100027
• PMID: 34642685
• PMCID: PMC8497178