Reference:
1. Combined hormonal birth control: Pill, patch, and ring [Internet]. Acog.org. [cited 2024 May 7]. Available from: https://www.acog.org/womens-health/faqs/combined-hormonal-birth-control-pill-patch-ring
2. MacGregor EA, Guillebaud J. The 7-day contraceptive hormone-free interval should be consigned to history. BMJ Sexual & Reproductive Health. 2018;44(3):214-20.
3. FSRH Guideline (January 2019, amended October 2023) Combined Hormonal Contraception. BMJ Sexual & Reproductive Health. 2019;45(Suppl 1):1-93.
Keywords:
combined oral contraceptives, 7-day break missing