Emergency Contraception (cont.)
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Emergency Intrauterine Device
The IUD used for emergency contraception is the Copper T 380A IUD (ParaGard). It can be inserted up to 5 days after unprotected sexual intercourse but should be inserted as soon as possible. The IUD can be removed after your next menstrual period, when it is confirmed that you are not pregnant. You can use the IUD for long-term birth control. The copper IUD can be left in place for up to 10 years for contraception, and it is a reversible form of birth control. Planned Parenthood cites emergency IUD insertion as being 99.9% effective.
After IUD insertion, you may wish to have someone drive you home and to rest afterwards. IUDs should only be inserted and removed by health care professionals. The costs associated with a ParaGard IUD generally are about $750 for exam, IUD, and insertion. This type of IUD can be left in place for up to 10 years.
How Emergency Contraception Works
Emergency contraception prevents pregnancy by stopping or delaying release of an egg (ovulation), blocking fertilization by affecting the egg or sperm, or preventing implantation by making the lining of the uterus inhospitable for pregnancy. Pregnancy is defined by the medical community as implantation of a fertilized egg in the lining of a woman’s uterus, so emergency contraception works before pregnancy has occurred. A pregnancy test is not useful because emergency contraception is used to prevent pregnancy rather than to abort an existing pregnancy. A woman who uses emergency contraception will never know if a pregnancy would have otherwise occurred. Fertility returns with the next cycle unless a birth control method is continued.
In order for emergency contraceptive pills to be effective, they must be taken as directed. Carefully follow the package instructions that come with the emergency contraceptive you choose.
Exams and Tests before Using Emergency Contraception
It is important to ask yourself these questions before considering the use of emergency contraception. A visit with a healthcare provider may be helpful in order to make sure of your situation.
Last Reviewed 11/20/2017
Omnia M Samra, MD
Bryan D Cowan, MD
Francisco Talavera, PharmD, PhD
Lee P Shulman, MD
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Emergency Contraception - Patient Experience
Tell us about when you used emergency contraception. Did it work?