Mechanisms of Action of Hormonal Emergency Contraceptives
@article{Leung2010MechanismsOA, title={Mechanisms of Action of Hormonal Emergency Contraceptives}, author={V. Leung and M. Levine and J. Soon}, journal={Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy}, year={2010}, volume={30} }
Hormonal emergency contraceptives have been used to prevent unwanted pregnancy for more than 3 decades. The mechanisms of action of the regimen containing a combination of estrogen and progestin, known as the Yuzpe regimen, and those of the levonorgestrel regimen continue to be controversial, especially over the possibility that these regimens might act by interfering with implantation of the fertilized ovum. We performed a search of the PubMed (1949‐July 2009) and EMBASE (1980‐July 2009… Expand
Topics from this paper
25 Citations
[Effect of levonorgestrel in the ovulation, endometrium, and spermatozoa for emergency oral contraception].
- Medicine
- Revista peruana de medicina experimental y salud publica
- 2010
- 1
- PDF
Efecto del levonorgestrel como anticonceptivo oral de emergencia en la ovulación, el endometrio y los espermatozoides
- Medicine
- 2010
- 9
- PDF
Efficacy and safety of a levonorgestrel enteric-coated tablet as an over-the-counter drug for emergency contraception: a Phase IV clinical trial
- Medicine
- Human reproduction
- 2011
- 10
- PDF
Evaluation of the Mechanism of Action of Anti-fertility Treatment in Cases of Sexual Assault: Moral Certitude and Human Acts
- Psychology
- 2017
- 1
Selective progesterone receptor modulators: an update
- Medicine
- Expert opinion on pharmacotherapy
- 2014
- 24
Ulipristal acetate: a new emergency contraceptive
- Medicine
- Expert review of clinical pharmacology
- 2011
- 3
References
SHOWING 1-10 OF 84 REFERENCES
Mechanism of action of hormonal preparations used for emergency contraception: a review of the literature.
- Medicine
- Contraception
- 2001
- 181
- PDF
Effectiveness of levonorgestrel emergency contraception given before or after ovulation--a pilot study.
- Medicine
- Contraception
- 2007
- 155
- PDF
Postfertilization Effect of Hormonal Emergency Contraception
- Medicine
- The Annals of pharmacotherapy
- 2002
- 47
- PDF
Statistical evidence about the mechanism of action of the Yuzpe regimen of emergency contraception.
- Medicine
- Obstetrics and gynecology
- 1999
- 53
Emergency Contraception With Mifepristone and Levonorgestrel: Mechanism of Action
- Medicine
- Obstetrics and gynecology
- 2002
- 210
- PDF
Effect of the Yuzpe regimen of emergency contraception on markers of endometrial receptivity.
- Biology, Medicine
- Human reproduction
- 2000
- 67
- Highly Influential
- PDF
Levonorgestrel emergency contraception: a joint analysis of effectiveness and mechanism of action.
- Medicine
- Fertility and sterility
- 2007
- 38
- PDF
Effect of emergency contraception with levonorgestrel or mifepristone on ovarian function.
- Medicine
- Contraception
- 2004
- 107