Contraception (Birth Control) and Family Planning PubHealthInfo

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PubHealth.info® (a subsidiary of PakMed) presents scientific information mainly based on abstracts of articles published on a variety of public health issues/topics, particularly encompassing population planning, disease prevention, maternal and child health, and communicable and non-communicable diseases (like HIV AIDS, malaria, etc) that are affecting a significant portion of population in developing and developed countries. Here you can find abstracts of articles published on a variety of public health topics under category "Contraception (Birth Control) and Family Planning". Contraception (birth control) is a regimen of one or more actions, devices, or medications followed in order to deliberately prevent or reduce the likelihood of a woman becoming pregnant or giving birth. Therefore contraception is the utilization of various and sundry surgical procedures, devices, practices, agents, or drugs with the intention of preventing conception or impregnation (pregnancy). Methods and intentions typically termed birth control may be considered a pivotal ingredient to family planning. Birth control is a controversial political and ethical issue in many cultures and religions, and although it is generally less controversial than abortion specifically.

YEAR: 2004

CATEGORY: Contraception (Birth Control) and Family Planning

TITLE

Minimum effectiveness of the levonorgestrel regimen of emergency

contraception.

AUTHORS

Raymond E; Taylor D; Trussell J; Steiner MJ

SOURCE

Contraception. 2004 Jan;69(1):79-81.

ABSTRACT

The standard method for estimating the effectiveness of emergency contraceptive pills (ECPs) uses external data to

calculate the proportion of expected pregnancies averted by the treatment. Because these data may not be

applicable to ECP study populations, this approach could result in substantial overestimation of effectiveness. We

used data from two published randomized trials of the levonorgestrel and Yuzpe ECP regimens to calculate the

minimum effectiveness of the levonorgestrel regimen. Conservatively assuming that the Yuzpe regimen was entirely

ineffective in these trials, we estimate that the levonorgestrel regimen prevented at least 49% of expected

pregnancies (95% confidence interval: 17%, 69%). Because physiologic data suggests that the Yuzpe regimen does,

in fact, have some efficacy, the effectiveness of the levonorgestrel regimen is likely to be higher than our minimum

estimate. (PubHealth.info Document ID: CONT1T 590-06)

PubHealth.info NOTE: The author(s) of this article titled, "Minimum effectiveness of the levonorgestrel regimen of

emergency contraception.", is(are) Raymond E; Taylor D; Trussell J; Steiner MJ. The source of this article is

"Contraception. 2004 Jan;69(1):79-81.". This article was published in 2004 in English language(s). (PubHealth.info®

Document ID: CONT1T 590-06. All rights reserved with PubHealth.info) PIN: 590

This article is peer-reviewed.

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