Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; and the Division of Maternal-Fetal Medicine, Intermountain Healthcare, Salt Lake City, Utah.

Corresponding author: Maura Jones Pullins, MD, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, NC; [email protected].

Financial Disclosure The 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/D460.