%0 Journal Article %T Prevention of unintended pregnancy and use of contraception¡ªimportant factors for preconception care %A Helena Kopp Kallner %A Kristina Gemzell Danielsson %J Archive of "Upsala Journal of Medical Sciences". %D 2016 %R 10.1080/03009734.2016.1208310 %K Added health benefits %K combined hormonal contraception %K contraception %K long-acting reversible contraception %K preconception care %K unintended pregnancy %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5098489/