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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 ]
Currently, there are many different brands of levonorgestrel EC pills, including Take Action, Next Choice One Dose, and My Way and regimens include a single 1.5 mg pill of levonorgestrel. [41] Levonorgestrel EC pills should be taken up to 72 hours after unprotected sex due to the drug becoming less effective over time. [41]
1000 μg etynodiol diacetate (US: Demulen 1/50, Pfizer; Zovia 1/50, Watson) 500 μg norgestrel (US: Ogestrel, Watson) 250 μg levonorgestrel (US: Nordiol, Wyeth) 1.5 mg estradiol (as hemihydrate) 2.5 mg nomegestrol acetate: 24-day cycle + 4 placebo pills (AU, EU, RU: Zoely, MSD) 15 mg estetrol monohydrate (equivalent to 14.2 mg estetrol)
The Yuzpe regimen is a method of emergency contraception that uses a combination of ethinyl estradiol and levonorgestrel, specifically 1 mg of norgestrel (or 0.50mg of levonorgestrel) and 100 mcg of ethinyl estradiol ASAP and again in 12 hrs.
Smoking while using combined birth control pills is not recommended. [1] It works by stopping ovulation , making the mucus at the opening to the cervix thick, and making the uterus not suitable for implantation .
Based on a study of 16 women using oral CHC 30 μg ethinyloestradiol/150 μg levonorgestrel and anti-epileptic drug lamotrigine for 6 weeks, it was revealed that the contraceptive effectiveness could be lowered, despite lamotrigine not being an enzyme inducer.
Rhino pills and other non-prescription supplements aren’t regulated by the U.S. Food and Drug Administration (FDA) like medications are, and there’s rarely much science to back their claims.
The failure rate of a copper IUD is approximately 0.8% and can prevent pregnancy for up to 10 years. The hormonal IUD (also known as levonorgestrel intrauterine system or LNg IUD) releases a small amount of the hormone called progestin that can prevent pregnancy for 3–8 years with a failure rate of 0.1-0.4%. [1]