The Risk of SARS-CoV-2 Infection in Pregnant Women: An Observational Cohort Study Using the BIFAP Database.BACKGROUND
 We used data from the BIFAP database and a published algorithm to identify all pregnancies during 2020. 
BIFAP database
The Risk of SARS-CoV-2 Infection in Pregnant Women: An Observational Cohort Study Using the BIFAP Database.BACKGROUND
 We used data from the BIFAP database and a published algorithm to identify all pregnancies during 2020. 
the BIFAP database