Five years' experience of intrauterine contraception with the Nova-T and the Copper-T-200

Luukkainen, Tapani; Allonen, H; Nielsen, Niels-Christian; Nygren, Karl-Gösta; Pyörälä, Tapani

doi:10.1016/0002-9378(83)90240-5

Cited by 52 publications

(25 citation statements)

References 8 publications

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“…The World Health Organization study observed termination rates due to other medical causes of 2.4 in users of TCu380A, very close to the 2.1 observed in our study [16,18]. The World Health Organization study observed termination rates due to other medical causes of 2.4 in users of TCu380A, very close to the 2.1 observed in our study [16,18].…”

Section: Discussionsupporting

confidence: 89%

“…Our figures are within the range of other publications [16,18]. Our figures are within the range of other publications [16,18].…”

Section: Discussionsupporting

confidence: 89%

“…That this is not an experimental study but an evaluation of a clinical experience should be kept in mind when results are compared with other studies reporting on well-controlled clinical trials, such as that published by WHO [16] and the Scandinavian study [18] carried out by Luukkainen et al That this is not an experimental study but an evaluation of a clinical experience should be kept in mind when results are compared with other studies reporting on well-controlled clinical trials, such as that published by WHO [16] and the Scandinavian study [18] carried out by Luukkainen et al…”

Section: Discussionmentioning

confidence: 99%

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Long-term evaluation of the clinical performance of the TCu200B and the TCu380A in Campinas, Brazil

Dı́az

Díaz³

et al. 1992

Adv Contracept

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The clinical performance of the TCu200B and TCu380A was evaluated by life table analysis in a cohort of women who wore an IUD from July 1979 to July 1982. This paper presents the results up to five years of use. No significant differences in age and parity were found between the users in the two groups. Overall performance was very good with both models. The cumulative continuation rate was 83.6, 60.9 and 46.1 at one, three and five years with the TCu200 and 84.0, 64.7 and 49.3 with the TCu380A in the same periods. Differences between both IUDs were not significant. The pregnancy rate was lower with the TCu380A and reached statistical significance from the fourth year on. The authors conclude that both IUDs presented very good performance, the TCu380A being more effective, the only significant difference observed.

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Section: Discussionsupporting

confidence: 89%

“…Our figures are within the range of other publications [16,18]. Our figures are within the range of other publications [16,18].…”

Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Long-term evaluation of the clinical performance of the TCu200B and the TCu380A in Campinas, Brazil

Dı́az

Díaz³

et al. 1992

Adv Contracept

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“…In the beginning of the 198Os, IUDs were used by all women regardless of parity (39) today they should be recommended for and used by parous women over 30. Finnish surveys showed that the populhrity of IUDs has iqdeed increased in particular among married women.…”

Section: Discussionmentioning

confidence: 99%

Different contraceptive practices

Makkonen

Hemminki

1991

Scandinavian Journal of Social Medicine

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Contraceptive practices, especially oral contraceptive and intrauterine device use, were studied in four Nordic countries by recalculating published and unpublished data from previous surveys and statistics and by collecting new data from Finland. The sales of oral contraceptives were presented in defined daily doses, and the percentages of women using oral contraceptives were estimated from them. The percentages of intrauterine device users were calculated taking into account the number of intrauterine devices sold each year and the continuation of use from previous years. The results of the surveys were reanalysed. We found clear differences in contraceptive practices. Oral contraceptive use was most prevalent in Sweden and Denmark, and, especially at the end of the 1970s, Finnish intrauterine device use was very high. In the 1980s the differences dimished somewhat. These disparities in culturally and economically similar countries indicate that further research is needed to evaluate the factors influencing contraceptive practices.

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“…The intrauterine device is a highly effective form of contraception (see Table 9.1) [59][60][61][62][63][64][65]. Only Depo-Provera and the combined oral contraceptives have efficacy rates, both for method-effectiveness and use-effectiveness, which are higher than those obtained with IUDs.…”

Section: Effectivenessmentioning

confidence: 99%