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dc.contributor.authorHognert, Helena
dc.contributor.authorSkjeldestad, Finn Egil
dc.contributor.authorGemzell-Danielsson, Kristina
dc.contributor.authorHeikinheimo, Oskari
dc.contributor.authorMilsom, Ian
dc.contributor.authorLidegaard, Øjvind
dc.contributor.authorLindh, Ingela
dc.date.accessioned2019-07-15T12:57:45Z
dc.date.available2019-07-15T12:57:45Z
dc.date.issued2018-10-30
dc.description.abstractObjectives <br>Compare hormonal contraceptive use, birth and abortion rates among teenagers in the Nordic countries. A secondary aim was to explore plausible explanations for possible differences between countries.<br> Design <br> Ecological study using national registry data concerning births and abortions among all women aged 15–19 years residing in Denmark, Finland, Iceland, Norway and Sweden 2008–2015. Age-specific data on prescriptions for hormonal contraceptives for the period 2008–2015 were obtained from national databases in Denmark, Norway and Sweden.<br> Setting <br> Denmark, Finland, Iceland, Norway and Sweden. <br> Participants <br> Women 15–19 years old in all Nordic countries (749 709) and 13–19 years old in Denmark, Norway and Sweden (815 044). <br> Results <br> Both annual birth rates and abortion rates fell in all the Nordic countries during the study period. The highest user rate of hormonal contraceptives among 15–19-year-olds was observed in Denmark (from 51% to 47%) followed by Sweden (from 39% to 42%) and Norway (from 37% to 41%). Combined oral contraceptives were the most commonly used methods in all countries. The use of long-acting reversible contraceptives (LARC), implants and the levonorgestrel-releasing intrauterine systems, were increasing, especially in Sweden and Norway. In the subgroup of 18–19-year-old teenagers, the user rates of hormonal contraceptives varied between 63% and 61% in Denmark, 56% and 61% in Norway and 54% and 56% in Sweden. In the same subgroup, the steepest increase of LARC was seen, from 2% to 6% in Denmark, 2% to 9% in Norway and 7% to 17% in Sweden. <br> Conclusions <br> Birth and abortion rates continuously declined in the Nordic countries among teenagers. There was a high user rate of hormonal contraceptives, with an increase in the use of LARC especially among the oldest teenagers.en_US
dc.description.sponsorshipThis work was supported by a National LUA/ALF grant GBG3050 and grants from the Gothenburg Medical Society, Hjalmar Svensson’s Fund and the University of Gothenburg. The researchers were independent of the funders.en_US
dc.descriptionPublished version, available at: <a href=https://bmjopen.bmj.com/content/8/10/e022473.full>https://bmjopen.bmj.com/content/8/10/e022473.full</a><br>The DOI does not function.en_US
dc.identifier.citationHognert, H., Skjeldestad, F.E., Gemzell-Danielsson, K,, Heikinheimo, O,, Milsom, I., Lidegaard, Ø., Lindh, I. (2018) Ecological study on the use of hormonal contraception, abortions and births among teenagers in the Nordic countries. <i> BMJ Open, 8</i> (10),1-9.en_US
dc.identifier.issn2044-6055
dc.identifier.otherFRIDAID 1652668
dc.identifier.other10.1136/bmjopen-2018-022473
dc.identifier.urihttps://hdl.handle.net/10037/15764
dc.language.isoengen_US
dc.publisherBritish Medical Association (BMJ)en_US
dc.relation.isbasedonData sharing statement Aggregated data from national registries used in the study are available at reasonable request from the corresponding author. Consent for data sharing was not obtained, but the presented data are anonymous and there is no risk for identification of individual patients.en_US
dc.relation.journalBMJ Open
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Medical disciplines: 700::Health sciences: 800en_US
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800en_US
dc.subjectVDP::Medical disciplines: 700::Health sciences: 800::Community medicine, Social medicine: 801en_US
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800::Samfunnsmedisin, sosialmedisin: 801en_US
dc.titleEcological study on the use of hormonal contraception, abortions and births among teenagers in the Nordic countriesen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US


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