Department of Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.
Corresponding author: Ilona Telefus Goldfarb, MD, MPH, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA; email: [email protected].
Financial Disclosure Allison S. Bryant reports money was paid to her institution on her behalf from the National Institutes of Health. Money was paid to her for speaking engagements from ACOG, SMFM, PNQIN, ILPQC, UCSF, and Pennsylvania Hospital. The other authors did not report any potential conflicts of interest.
The authors thank Michala Sawyer, B.S., Massachusetts General Hospital Department of Obstetrics and Gynecology, Boston, Massachusetts, for her contribution to database creation and data abstraction. She is a paid clinical research coordinator in the Department of Obstetrics and Gynecology.
Ilona Goldfarb, MD, MPH, and Mark Clapp, MD, MPH, had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Each author has confirmed compliance with the journal's requirements for authorship.
Published online ahead-of-print June 2, 2020.
Peer reviews and author correspondence are available at https://links.lww.com/AOG/B936.
