Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Biology, the Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, and the Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, and the Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
Corresponding author: Erica Holland, MD, Division of Maternal-Fetal Medicine, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02215; email: [email protected].
Financial Disclosure Brian T. Bateman is an investigator on grants to Brigham and Women's Hospital from the National Institutes of Health, U.S. Food and Drug Administration, Lily, Pfizer, GSK, Baxalta, and Pacira outside of the submitted work. Dr. Bateman is also a consultant to Aetion, Inc. The other authors did not report any potential conflicts of interest.
Each author has confirmed compliance with the journal's requirements for authorship.
Peer reviews and author correspondence are available at https://links.lww.com/AOG/B216.