Appendix. Supplementary materials
- Labor induction versus expectant management in low-risk nulliparous women.N Engl J Med. 2018; 379: 513-523
- Changes in obstetrical practices and pregnancy outcomes following the ARRIVE trial.Am J Obstet Gynecol. 2022; 226 (716.e1–12)
Natality information. Available at: https://wonder.cdc.gov/natality.html. Accessed March 2, 2022.
- Trends in number and distribution of COVID-19 hotspot counties – United States, March 8–July 15, 2020.MMWR Morb Mortal Wkly Rep. 2020; 69: 1127-1132
The authors report no conflict of interest.