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Emergency contraception (EC) is a birth control measure, used after sexual intercourse to prevent pregnancy.. There are different forms of EC. Emergency contraceptive pills (ECPs), sometimes simply referred to as emergency contraceptives (ECs), or the morning-after pill, are medications intended to disrupt or delay ovulation or fertilization, which are necessary for pregnancy.
[143] "roughly 1 in ten teens were incorrectly told they were too young to get [emergency contraception] without a prescription." [140] Uruguay: South America: Adult only [145] Uzbekistan: Asia: Vanuatu: Oceania: 1000 Vatu: Personal experience in Port Vila, Efate 2018 Venezuela: South America †
Ulipristal acetate, sold under the brand name Ella among others, is a medication used for emergency contraception (birth control) and uterine fibroids. [1] [7] [8] As emergency contraception it should be used within 120 hours of vaginally penetrating intercourse. [1] For fibroids it may be taken for up to six months. [9] It is taken by mouth. [1]
OTC emergency contraception pills in the U.S. contain levonorgestrel, which is in a class of medications called progestins (which are a synthetic form of the hormone progesterone).
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Outlined here are the different types of barrier methods, hormonal methods, various methods including spermicides, emergency contraceptives, and surgical methods [1] and a comparison between them. While many methods may prevent conception, only male and female condoms are effective in preventing sexually transmitted infections .
A single preovulatory 10-mg dose of mifepristone delays ovulation by three to four days and is as effective an emergency contraceptive as a single 1.5-mg dose of the progestin levonorgestrel. [ 55 ] In women, mifepristone at doses greater or equal to 1 mg/kg antagonizes the endometrial and myometrial effects of progesterone.
Typically, the Yuzpe regimen uses several doses of combined oral contraceptive pills. It may be preferred in locations where other forms of emergency contraception are unavailable or accessing emergency contraception carries a societal stigma. In these places, people often self-administer combined oral contraceptives as emergency contraception. [1]