Figure 2
Flow diagram summarizing our subject recruitment in this study. Eligible women were recruited from community maternal fetal medicine offices and referred by their obstetrics providers. The pre-pandemic cohort was recruited between March 2014 and February 2020, and the pandemic cohort was recruited between June 2020 to April 2021. The study team spoke to potential participants alongside the obstetricians and would follow up with those interested in participation. Written informed consent was obtained from all participants before completing study procedures.
