| Literature DB >> 1755467 |
Abstract
Numerous studies have been conducted to assess the use-effectiveness of natural family planning. However, because of imprecise definitions of terms, these studies show noncomparable results. Special effort is required to study natural family planning use-effectiveness by the same criteria as other family planning methods.Keywords: Contraception; Contraception Continuation; Contraceptive Effectiveness; Contraceptive Usage; Demographic Factors; Dropouts; Family Planning; Family Planning Program Evaluation; Family Planning Programs; Family Planning, Behavioral Methods; Measurement; Natural Family Planning; Population; Population Dynamics; Research Methodology; Sampling Studies; Studies; Survey Methodology; Surveys; Time Factors; Use-effectiveness
Mesh：
Year: 1991 PMID： 1755467 DOI： 10.1016/s0002-9378(11)90578-x
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661