From the ∗Department of Women's Health, Dell School of Medicine, University of Texas at Austin, Austin, TX

†Department of Obstetrics and Gynecology, Washington University School of Medicine in St. Louis, St. Louis, MO

‡Department of Obstetrics and Gynecology, The Warren Alpert School of Medicine of Brown University

§Women and Infants Hospital of Rhode Island, Providence, RI

∥Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA

¶Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR

∗∗Department of Obstetrics and Gynecology, University of Alabama at Birmingham

††Center for Women's Reproductive Health, The University of Alabama at Birmingham, Birmingham, AL

Correspondence: Collin M. McKenzie, MD. E-mail: [email protected].

The Eunice Kennedy Shriver National Institute of Child Health and Human Development awarded A.G.C. and M.G.T. (grant number U01 HD077384).

The authors have declared they have no conflicts of interest.

The editors wish to thank Atieh Novin for her contribution to the review of this article.