{"title":"Natural family planning effectiveness: evaluating published reports.","authors":"V Lamprecht, J Trussell","doi":"10.1023/a:1006595703472","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>To equip the reader with the tools necessary to evaluate studies of natural family planning (NFP) effectiveness found in the literature and to make recommendations for future NFP effectiveness studies.</p><p><strong>Design: </strong>Current standards to evaluate contraceptive method effectiveness are reviewed. A framework for evaluating reports on NFP is presented.</p><p><strong>Results: </strong>Most NFP studies found in the literature are flawed in design and do not calculate pregnancy rates correctly. The results from the few well-designed studies are presented.</p><p><strong>Discussion: </strong>Many factors influence NFP effectiveness, and these factors must be considered when evaluating published studies and designing future studies.</p>","PeriodicalId":76977,"journal":{"name":"Advances in contraception : the official journal of the Society for the Advancement of Contraception","volume":"13 2-3","pages":"155-65"},"PeriodicalIF":0.0000,"publicationDate":"1997-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1023/a:1006595703472","citationCount":"30","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in contraception : the official journal of the Society for the Advancement of Contraception","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1023/a:1006595703472","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 30
Abstract
Objective: To equip the reader with the tools necessary to evaluate studies of natural family planning (NFP) effectiveness found in the literature and to make recommendations for future NFP effectiveness studies.
Design: Current standards to evaluate contraceptive method effectiveness are reviewed. A framework for evaluating reports on NFP is presented.
Results: Most NFP studies found in the literature are flawed in design and do not calculate pregnancy rates correctly. The results from the few well-designed studies are presented.
Discussion: Many factors influence NFP effectiveness, and these factors must be considered when evaluating published studies and designing future studies.
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