Document Detail

Hormonal emergency contraception: a clinical primer.
MedLine Citation:
PMID:  17455578     Owner:  NLM     Status:  MEDLINE    
Unintended and teenage pregnancies are major public health concerns in the United States. Emergency contraception is used to prevent pregnancy after failure of a contraceptive method or after unprotected intercourse. Expanded use of emergency contraception has the potential to reduce unintended pregnancy and induced abortions, while reducing state and federal healthcare expenditures. The recent approval of Plan B as an over-the-counter medication for individuals over 18 years of age should improve access to this medication. However, there are still widespread misconceptions about the mechanisms and implications of emergency contraception. Expanded access to emergency contraception is associated with increased use, but not associated with decreased efficacy, increased sexual risk-taking behavior, or less consistent use of traditional birth control methods. This review is designed to provide clinicians with information regarding the use of emergency contraception for reproductive age patients. It includes a brief description of methods of use, mechanisms of action, and side effect profiles of the most commonly used methods of emergency contraception, levonorgestrel and the Yuzpe method.
Angela Ziebarth; Keith A Hansen
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Publication Detail:
Type:  Comparative Study; Journal Article; Review    
Journal Detail:
Title:  South Dakota medicine : the journal of the South Dakota State Medical Association     Volume:  60     ISSN:  0038-3317     ISO Abbreviation:  S D Med     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-04-25     Completed Date:  2007-05-10     Revised Date:  2009-07-20    
Medline Journal Info:
Nlm Unique ID:  101265265     Medline TA:  S D Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  99-101, 103-5     Citation Subset:  IM    
Obstetrics and Gynecology, The University of Wisconsin School of Medicine, Madsion, Wisconsin, USA.
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MeSH Terms
Abortion, Induced
Clinical Trials as Topic
Contraception Behavior
Contraception, Postcoital* / economics,  methods
Contraceptive Agents, Female / administration & dosage*,  adverse effects
Contraceptives, Oral, Synthetic / administration & dosage*,  adverse effects
Contraceptives, Postcoital, Hormonal* / administration & dosage,  adverse effects,  economics,  pharmacology
Health Care Costs
Levonorgestrel / administration & dosage*,  adverse effects
Nonprescription Drugs
Pregnancy in Adolescence*
Pregnancy, Unwanted*
Sexual Behavior
Time Factors
United States
United States Food and Drug Administration
World Health Organization
Reg. No./Substance:
0/Contraceptive Agents, Female; 0/Contraceptives, Oral, Synthetic; 0/Contraceptives, Postcoital, Hormonal; 0/Nonprescription Drugs; 797-63-7/Levonorgestrel
Comment In:
S D Med. 2007 May;60(5):186-7   [PMID:  17695071 ]
Erratum In:
S D Med. 2007 Apr;60(4):157
Note: Dosage error in article text

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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