All links accessed May 31 2023

1. K Wellings et al. ‘The prevalence of unplanned pregnancy and associated factors in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)’. The Lancet. November 30 2013. 382;9907:1807-1816. https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(13)62071-1/fulltext
2. The Royal College of Obstetricians and Gynaecologists. ‘Better for Women’. December 2019. https://www.rcog.org.uk/better-for-women
3. NHS England. NHS Pharmacy Contraception Service Published January 10 2023. https://www.england.nhs.uk/primary-care/pharmacy/pharmacy-integration-fund/nhs-pharmacy-contraception-service/
4. Community Pharmacy Scotland. Pharmacy Bridging Contraception Service Launch - Press Release. November 17 2021. https://www.cps.scot/press-releases/pharmacy-bridging-contraception-service-launch
5. Proprietary Association of Great Britain. ‘The contraceptive pill: a long journey and a landmark switch’. July 8 2021. https://www.pagb.co.uk/about-pagb/contraceptive-pill-switch/
6. Summary of Product Characteristics. Hana 75 microgram film coated tablets. eMC. Last updated on emc July 9 2021. https://www.medicines.org.uk/emc/product/12735
7. Summary of Product Characteristics. Lovima 75 microgram film-coated tablets. eMC. Last updated on emc July 9 2021. https://www.medicines.org.uk/emc/product/12736
8. TJ Pasvol et al. ‘Time trends in contraceptive prescribing in UK primary care 2000–2018: a repeated cross-sectional study’. BMJ Sexual & Reproductive Health. 2022. 48:193-198. https://srh.bmj.com/content/48/3/193
9. NHS Business Services Authority. Prescription Cost Analysis – England – 2021/22. June 9 2022. https://www.nhsbsa.nhs.uk/statistical-collections/prescription-cost-analysis-england/prescription-cost-analysis-england-202122
10. Contraception Choices. National Institute for Health Research, University College London. https://www.contraceptionchoices.org/
11. NICE British National Formulary. Contraceptives, hormonal. https://bnf.nice.org.uk/treatment-summaries/contraceptives-hormonal/
12. British Pregnancy Advisory Service. Contraception for men https://www.bpas.org/more-services-information/contraception/for-men/
13. Faculty of Sexual and Reproductive Healthcare. FSRH Clinical Guideline: Progestogen-only Pills (August 2022, Amended November 2022). November 14 2022. https://www.fsrh.org/standards-and-guidance/documents/cec-guideline-pop/
14. Faculty of Sexual and Reproductive Healthcare. FSRH Clinical Guideline: Combined Hormonal Contraception (January 2019, Amended November 2020). November 1 2020. https://www.fsrh.org/standards-and-guidance/documents/combined-hormonal-contraception/
15. Faculty of Sexual and Reproductive Healthcare. FSRH Clinical Guideline: Progestogen-only Implant (February 2021). February 16 2021. https://www.fsrh.org/standards-and-guidance/documents/cec-ceu-guidance-implants-feb-2014/
16. medicines & Healthcare products Regulatory Agency. Consultation outcome. ‘A public consultation on reclassifying two medicines containing desogestrel from prescription only (POM) to pharmacy (P)’. Updated 8 July 2021. https://www.gov.uk/government/consultations/lovima-75-microgram-film-coated-tablets-desogestrel-public-consultation/public-feedback/a-public-consultation-on-reclassifying-two-medicines-containing-desogestrel-from-prescription-only-pom-to-pharmacy-p
17. Cancer research UK. Does the contraceptive pill increase risk of cancer. Page last reviewed March 27 2023. https://www.cancerresearchuk.org/about-cancer/causes-of-cancer/hormones-and-cancer/does-the-contraceptive-pill-increase-cancer-risk
18. Oxford Population Health CEU. ‘Any type of hormonal contraceptive may increase risk of breast cancer’. March 21 2023. https://www.ceu.ox.ac.uk/news/any-type-of-hormonal-contraceptive-may-increase-risk-of-breast-cancer
19. D Fitzpatrick et al. ‘Combined and progestagen-only hormonal contraceptives and breast cancer risk: A UK nested case–control study and meta-analysis’. PLOS Medicine. March 21 2023. https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1004188