1. Abortion Laws by State. Cent Reprod Rights 2022. 〈https://reproductiverights.org/maps/abortion-laws-by-state/〉 (accessed July 12, 2023).
2. Jones R, Nash E, Cross L, Philbin J, Kirstein M. Medication abortion now accounts for more than half of all US abortions. Guttmacher Inst 2022. 〈https://www.guttmacher.org/article/2022/02/medication-abortion-now-accounts-more-half-all-us-abortions〉 (accessed July 14, 2023).
3. Quality of care and abortion: beyond safety;Darney;BMJ Sex Reprod Health,2018
4. Crossing the quality chasm: a new health system for the 21st Century;Institute of Medicine (US) Committee on Quality of Health Care in America,2001
5. Quality of care for pregnant women and newborns—the WHO vision;Tunçalp;BJOG Int J Obstet Gynaecol,2015