Editing Emergency contraception (section)

==As regular contraception==
One brand of [[levonorgestrel]] pills was marketed as an ongoing method of postcoital contraception.<ref name="beyond coca-cola">{{cite journal | vauthors = Ellertson C | title = History and efficacy of emergency contraception: beyond Coca-Cola | journal = Family Planning Perspectives | volume = 28 | issue = 2 | pages = 44–48 | date = March–April 1996 | pmid = 8777937 | doi = 10.2307/2136122 |url=http://www.guttmacher.org/pubs/journals/2804496.html | access-date = 2006-11-22 | publisher = Guttmacher Institute | url-status = dead | jstor = 2136122 | archive-date = 2007-03-13 | archive-url=https://web.archive.org/web/20070313201719/http://www.guttmacher.org/pubs/journals/2804496.html }}</ref>  However, with typical use, failure rates are expected to be higher than with the use of other birth control methods.<ref name=":1" />

Like all hormonal methods, postcoital high-dose progestin-only oral contraceptive pills do not protect against [[sexually transmitted infection]]s.<ref name="princeton2">{{cite web |title=What is Emergency Contraception? |work=The Emergency Contraception Website |publisher=Office of Population Research at [[Princeton University]] and the [[Association of Reproductive Health Professionals]] |date=November 2006 |url=http://ec.princeton.edu/emergency-contraception.html |access-date=2006-12-02 |archive-date=2018-07-19 |archive-url=https://web.archive.org/web/20180719110512/http://ec.princeton.edu/emergency-contraception.html |url-status=dead }}</ref>

ECPs are generally recommended for backup or "emergency" use{{snd}}for example, if a woman has forgotten to take a [[Combined oral contraceptive pill|birth control pill]] or when a [[condom]] is torn during sex.<ref name="princeton">{{cite web|url=http://ec.princeton.edu/questions/eceffect.html|title=Effectiveness of Emergency Contraceptives|date=November 2006|work=The Emergency Contraception Website|publisher=[[Office of Population Research]] at [[Princeton University]] and the [[Association of Reproductive Health Professionals]]|access-date=2006-12-02|archive-date=2018-07-04|archive-url=https://web.archive.org/web/20180704004857/http://ec.princeton.edu/questions/eceffect.html|url-status=dead}}</ref> However, for women facing reproductive coercion, who are not able to use regular birth control, repeated use of EC pills may be the most viable option available.<ref name=":1" />