Emergency Contraception: History, Methods, Mechanisms, Misconceptions and a Philosophical Evaluation
نویسندگان
چکیده
منابع مشابه
Emergency Contraception: History, Methods, Mechanisms, Misconceptions and a Philosophical Evaluation
Humans have attempted to disrupt the progression of pregnancy for a very long time. This dates back to the realization that it was a sexual activity which started the reproductive cycle. Folk methods for preventing pregnancy after unprotected sexual activity are physiologically unable to be effective and we now have chemical, mainly hormonal methods, and a mechanical method the intrauterine dev...
متن کاملMechanisms of action of oral emergency contraception.
This review gives an overview of the mechanisms of action of oral emergency contraception pills (ECPs), focusing on the levonorgestrel (LNG) and ulipristal acetate (UPA) containing ECPs. In vivo and in vitro studies have addressed the effect of EC on various possible targets. Based on these studies as well as on clinical trials it is clear that the efficacy of ECPs to prevent an unintended preg...
متن کاملResearch on new methods of emergency contraception.
The ideal emergency contraceptive would be highly effective (surpassing the 75% effectiveness rate of the Yuzpe method), free of side effects, non-disruptive of the menstrual cycle, easily administered, interceptive, and affordable. Prevention of fertilization rather than ovulation would be an important advance since it would increase the window of time after unprotected intercourse that a dru...
متن کاملHistory and efficacy of emergency contraception: beyond Coca-Cola.
Over 30 years of clinical use of emergency contraception has confirmed that such methods substantially reduce the chances of pregnancy, do not entail onerous service provision requirements, and are acceptable to women. The major obstacle to the more widespread use of postcoital methods is a lack of awareness on the part of both potential acceptors and service providers of this important option...
متن کاملEmergency contraception.
Emergency contraception is used to prevent pregnancy after a coital act not adequately protected by a regular method of contraception. In contrast to early medical abortion, emergency contraception prevents a pregnancy from starting and does not disrupt an established pregnancy. The most commonly used approaches consist of two oral doses of contraceptive steroids. The levonorgestrel-only regime...
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ژورنال
عنوان ژورنال: Gynecology & Obstetrics
سال: 2014
ISSN: 2161-0932
DOI: 10.4172/2161-0932.1000224