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By Mayo Clinic staffYour health care provider will evaluate your overall health and do a pelvic exam before inserting Implanon. He or she will determine the appropriate timing for the insertion of Implanon based on your menstrual cycle and your previous birth control method. You may need to take a pregnancy test and use a nonhormonal backup method of contraception for one week.
A backup method of contraception may not be necessary if you previously:
- Used no contraception and have Implanon inserted during the first five days of your menstrual cycle, even if you're still bleeding
- Used combination birth control pills and have Implanon inserted within seven days of taking your last active pill
- Used the minipill and have Implanon inserted while taking active pills
- Used a contraceptive injection (Depo-Provera) and have Implanon inserted the day your next injection is due
- Used Implanon or an intrauterine device (IUD) and have Implanon inserted the day your previous device is removed
- Used a vaginal ring (NuvaRing) and have Implanon inserted during the seven-day ring-free period
- Used a skin patch (Ortho Evra) and have Implanon inserted during the seven-day patch-free period
References
- Schorge JO, et al. Contraception and sterilization. In: Schorge JO, et al. Williams Gynecology. New York, N.Y.: The McGraw-Hill Companies, Inc.; 2008. http://www.accessmedicine.com/content.aspx?aID=3151449. Accessed Nov. 21, 2011.
- Implanon (prescribing information). Kenilworth, N.J.: Merck & Co., Inc.; 2009. http://www.implanon-usa.com/en/HCP/learn-about-it/full-prescribing-information/index.asp. Accessed Nov. 21, 2011.
- Birth control methods fact sheet. U.S. Department of Health and Human Services. http://www.womenshealth.gov/publications/our-publications/fact-sheet/birth-control-methods.cfm. Accessed Nov. 21, 2011.
- Nexplanon (prescribing information). Kenilworth, N.J.: Merck & Co., Inc.; 2011. http://www.merck.com/product/prescription-products/home.html. Accessed Nov. 21, 2011.
- Darney PD. Etonogestrel contraceptive implant. http://www.uptodate.com/home/index.html. Accessed Nov. 21, 2011.
- Raymond EG. Contraceptive implants. In: Hatcher RA, et al. Contraceptive Technology. 20th ed. New York, N.Y.: Ardent Media, Inc.; 2011:193.
- Etonogestrel implant. U.S. Food and Drug Administration. http://www.accessdata.fda.gov/scripts/cder/drugsatfda/index.cfm?fuseaction=Search.DrugDetails. Accessed Nov. 18, 2011.
- Harms RW (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 25, 2011.
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