Emergency contraception with a copper IUD or oral levonorgestrel: an observational study of 1-year pregnancy rates
نویسندگان
چکیده
منابع مشابه
The copper IUD for emergency contraception, a neglected option.
It can be argued that the most important failing of modern family planning is the persistent epidemic of unintended pregnancy. In developing countries, about 75 million pregnancies annually are unintended, a number close to the 80 million growth of world population each year [1]. In the United States, about half of pregnancies are unintended [2]. By the age of 45 years, about half of women in t...
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Hormonal contraceptive pills containing 750 microgram levonorgestrel are the most commonly used postcoital contraceptive method because of their high efficacy and fewer side effects. Emergency contraceptive pills containing levonorgestrel present their effects by several mechanisms, including delayed tubal transport of the ovum. A delay of tubal transportation of an ovum is also one of the poss...
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Penetration of cervical mucus by spermatozoa was observed in cycling and infertile women, in women on sequential or combination oral contraceptive medication, and in women with an IUD in situ. _Sperm penetration of cervical mucus varied from women not using contraceptives and from infertile women, to patients taking sequential conception control pills. In cycling women penetration was low in th...
متن کاملAssociation between levonorgestrel emergency contraception and the risk of ectopic pregnancy: a multicenter case-control study
Cases of ectopic pregnancy (EP) following levonorgestrel emergency contraception (LNG-EC) failure have been reported continuously, but whether there is an association between EP risk and LNG-EC is unclear. We concluded a case-control study to explore this association by recruiting 2,411 EP patients as case group, and 2,416 women with intrauterine pregnancy and 2,419 non-pregnant women as contro...
متن کاملMechanism of action of levonorgestrel emergency contraception.
There has been much debate regarding levonorgestrel emergency contraception's (LNG-EC's) method of action since 1999 when the Food and Drug Administration first approved its use. Proponents of LNG-EC have argued that they have moral certitude that LNG-EC works via a non-abortifacient mechanism of action, and claim that all the major scientific and medical data consistently support this hypothes...
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ژورنال
عنوان ژورنال: Contraception
سال: 2014
ISSN: 0010-7824
DOI: 10.1016/j.contraception.2013.11.010