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USMC_Greg
l33t Trån¢ë Mâstör™

Registered: May 2001
Location: Ottawa, Ontario, Canada
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Here you go, right from http://www.afraidtoask.com
quote: | EMERGENCY CONTRACEPTION (THE "MORNING AFTER" PILL)
History:
Originally developed in the 1960s as treatment for rape victims, this method has been improved upon over time and continues to have active research. Though it has no effect on preventing STDs / STIs, it is a second chance to avoid an unintended pregnancy. (The chance of getting pregnant after intercourse is calculated to be between 2% and 30%.) Emergency contraception methods can use by women to prevent pregnancy after intercourse in the case of unused contraception (e.g., sexual assault, forgot to use contraception) or contraception failure (e.g., condom breakage, IUD expulsion, etc). Emergency contraception methods are not as effective as the contraceptive methods listed previously; the true effectiveness is unknown but is estimated to be above 80% if used within 72 hours from intercourse. Because of side effects (nausea, vomiting, heavy periods, breast tenderness) and lower effectiveness, emergency contraception should not be used as the primary means of contraception.
How it works:
Emergency contraception pills are thought to work through a number of effects mostly by preventing fertilization through disrupting ovulation or interfering with the movement of sperm towards the egg. Depending on what sort of emergency contraception is used, other possible mechanisms include interfering with the corpus luteum or preventing implantation (i.e., they do not seem to cause abortions, rather they prevent fertilization in the first place).
How to Get it:
Most current birth control pills can be used for emergency contraception though only the Preven emergency contraception pill has been approved in the US for use. Call or visit your doctor, health care clinic, or emergency room to learn how to take the medicine or get it prescribed. Click here for a list of local clinics, or call 1-888-NOT-2-LATE for information about method options and provider referral.
Emergency Contraceptive Pills (most commonly used): This is a regimen of combined estrogen-progesterone oral contraceptive pills taken within 72 hours of unprotected intercourse. It may cause significant nausea and vomiting.
Progestin-only minipills can also be used; they work through a similar mechanism as OCPs and may be more effective than the estrogen + progesterone combinations
Copper IUD insertion is a less common method, but works within 5 days of intercourse and may be 98% effective. Copper ions act to prevent fertilization.
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more at http://www.afraidtoask.com/contrace...RNINGAFTER.html
___________________
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Aug-24-2003 13:41
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