Trends of preterm delivery in the United States, 2016–2019

• Ariane C. Youssefzadeh, MD,
• Genevieve R. Mazza, MD,
• Rachel S. Mandelbaum, MD,
• Joseph G. Ouzounian, MD, MBA,
• Koji Matsuo, MD, PhD

Affiliations

Ariane C. Youssefzadeh, MD

Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA

Genevieve R. Mazza, MD

Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA

Rachel S. Mandelbaum, MD

Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA; Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA

Joseph G. Ouzounian, MD, MBA

Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA

Koji Matsuo, MD, PhD

Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, 2020 Zonal Ave, IRD 520, Los Angeles, CA 90033; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA