1. Contraception after pregnancy
https://obgyn.onlinelibrary.wiley.com/doi/full/10.1111/aogs.13627
2. FDA approves new vaginal ring for one year of birth control
https://www.fda.gov/news-events/press-announcements/fda-approves-new-vaginal-ring-one-year-birth-control
3. New Nonhormonal Birth Control: What to Know
https://www.healthline.com/health/birth-control/new-non-hormonal-birth-control
4. Advances in contraception research and development
https://journals.lww.com/co-obgyn/Abstract/2020/12000/Advances_in_contraception_research_and_development.4.aspx
5. Oral Contraceptive Agent
https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/oral-contraceptive-agent
6. Combined estrogen-progestin oral contraceptives: Patient selection, counseling, and use
https://www.uptodate.com/contents/combined-estrogen-progestin-oral-contraceptives-patient-selection-counseling-and-use
7. Advances in contraception research and development
https://pubmed.ncbi.nlm.nih.gov/32969852/
8. Postpartum Birth Control
https://www.acog.org/womens-health/faqs/postpartum-birth-control 9. When can I use contraception after having a baby?
https://www.nhs.uk/conditions/contraception/when-contraception-after-baby/#:~:text=Contraception%20choices%20immediately%20after%20birth,99%25%20effective%20if%20taken%20correctly)