How Effective Is Emergency Contraception After 72 Hours

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Effectiveness of emergency contraceptive pills between 72 ...

    https://pubmed.ncbi.nlm.nih.gov/11262449/
    Results: The pregnancy rate was 0.8% for the <72-hour group and 1.8% for the 72- to 120-hour group. The effectiveness rate varied from 87% to 90% for the <72-hour group and from 72% to 87% for the 72- to 120-hour group. In both groups the chi(2) tests showed that emergency contraceptive pills significantly reduced the risk of pregnancy.Cited by: 236

Effectiveness of emergency contraceptive pills between 72 ...

    https://www.sciencedirect.com/science/article/pii/S0002937801111993
    Mar 01, 2001 · Even though our study shows that the effectiveness was equally as good before and after 72 hours for the selected subgroup, we observed in all the groups a trend toward a decrease in the effectiveness rate after 72 hours. We show that emergency contraceptive pills are still effective after 72 hours, but we believe that they are probably less ...Cited by: 236

Morning After Pill Effectiveness After 72 Hours

    https://walrus.com/questions/does-the-morning-after-pill-work-after-72-hours
    Nov 28, 2018 · Answer. The 'Morning After Pill', also known as an emergency contraceptive pill, contains a high dose of the progestin levonorgestrel.. It may still work if you take it more than 72 hours after unprotected sex, but is not nearly as effective in preventing unplanned pregnancy as compared to taking it within 72 hours.. Within 24 hours, it is nearly 95% effective.Estimated Reading Time: 4 mins

Emergency contraception - WHO

    https://www.who.int/news-room/fact-sheets/detail/emergency-contraception
    Feb 02, 2018 · ECPs with UPA are more effective between 72–120 hours after unprotected intercourse than other ECPs. Safety Side effects from the use of ECPs are similar to those of oral contraceptive pills, such as nausea and vomiting, slight irregular vaginal bleeding, and fatigue.

Effectiveness of Emergency Contraception - FAQ's ...

    https://www.womenscenter.com/effectiveness_emergency_contraception_faq-html.html
    The type of Emergency Contraception used also is important in determining how successful the reduction in unwanted pregnancy will be as levonorgestrel (Plan B, Next Choice) is more effective in preventing pregnancy than combined oral contraceptive pills if taken 72 hours or less after unprotected intercourse (89% vs. 75%).

Emergency Contraception - American Family Physician

    https://www.aafp.org/afp/2004/0815/p707.html
    Aug 15, 2004 · Rodriques I, Grou F, Joly J. Effectiveness of emergency contraceptive pills between 72 and 120 hours after unprotected sexual intercourse. Am J Obstet Gynecol . 2001;184:531–7.

I've had unprotected sex - Contraception NHS inform

    https://www.nhsinform.scot/healthy-living/contraception/emergencies/emergency-contraception
    Sep 18, 2020 · Of 203 women who took the emergency pill between 72 and 120 hours after unprotected sex, there were three pregnancies. Find out more about the research on the effectiveness of both emergency contraception pills. However, it's important to remember that the sooner you take emergency contraception after sex, the more effective it will be.

CDC - Emergency Contraception - US SPR - Reproductive Health

    https://www.cdc.gov/reproductivehealth/contraception/mmwr/spr/emergency.html
    Nov 02, 2018 · On This Page. Emergency contraception consists of methods that can be used by women after sexual intercourse to prevent pregnancy. Emergency contraception methods have varying ranges of effectiveness depending on the method and timing of administration. Four options are available in the United States: the Cu-IUD and three types of ECPs.

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