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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.
The most widely used form of oral emergency contraception is the progestin-only pill, which contains a 1.5 mg dosage of levonorgestrel. [36] Levonorgestrel-only emergency contraceptive pills are reported to have an 89% effectiveness rate if taken within the recommended 72 hours after sex. [38]
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]
The 60 milligram dose of ulipristal used in the study is twice the dose of Ella, a prescription drug used for emergency contraception. The company that makes Ella says on its website that it won't end an existing pregnancy. It can be taken up to five days after unprotected sex to prevent pregnancy.
The two primary avenues of emergency contraceptives are levonorgestrel pills and copper intrauterine devices (IUDs). Popular brands of levonorgestrel pills include Plan B and Ella, but there are ...
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