References
- Lindh I, Hognert H, Milsom I. The changing pattern of contraceptive use and pregnancies in four generations of young women. Acta Obstet Gynecol Scand. 2016;95:1264–1272.
- Kopp Kallner H, Thunell L, Brynhildsen J, et al. Use of contraception and attitudes towards contraceptive use in Swedish women-a Nationwide Survey. PLoS One. 2015;10:e0125990.
- de Irala J, Osorio A, Carlos S, et al. Choice of birth control methods among European women and the role of partners and providers. Contraception. 2011;84:558–564.
- Lewin B, Fugl-Meyer K, Helmius G, et al. Sex i Sverige – om sexuallivet i Sverige 1996 [Sex in Sweden – About sexual life in Sweden 1996]. Stockholm: Public Health Agency of Sweden, 1998. Swedish.
- Sköld A, Larsson M. Contraceptive use during the reproductive lifecycle as reported by 46-year-old women in Sweden. Sex Reprod Health. 2012;3:43–47.
- Trussell J, Vaughan B. Contraceptive failure, method-related discontinuation and resumption of use: results from the 1995 National Survey of Family Growth. Fam Plan Perspect. 1999;31:64–72.
- Moreau C, Cleland K, Trussell J. Contraceptive discontinuation attributed to method dissatisfaction in the United States. Contraception. 2007;76:267–272.
- Sundaram A, Vaughan B, Kost K, et al. Contraceptive failure in the United States: estimates from the 2006–2010 National Survey of Family Growth. Perspect Sex Reprod Health. 2017;49:7–16.
- Hatcher RA. Contraceptive Technology, 20th revised ed., New York: Ardent Media; 2011.
- Peragallo Urrutia R, Polis CB, Jensen ET, et al. Effectiveness of fertility awareness-based methods for pregnancy prevention: a systematic review. Obstet Gynecol. 2018;132:591–604.
- Berglund Scherwitzl E, Gemzell Danielsson K, Sellberg JA, et al. Fertility awareness-based mobile application for contraception. Eur J Contracept Reprod Health Care. 2016;21: 234–241.
- Jones R, Fennell J, Higgins JA, et al. Better than nothing or savvy risk-reduction practice? The importance of withdrawal. Contraception. 2009; 79:7:407–10.
- Graneheim HU, Lundman B. Qualitative content analysis in nursing research: concepts, procedures and measures to achieve trustworthiness. Nurse Educ Today. 2004;24:105–112.
- Larsson G, Blohm F, Sundell G, et al. A longitudinal study of birth control and pregnancy outcome among women in a Swedish population. Contraception. 1997;56:9–16.
- Jones RK, Tapales A, Lindberg LD, et al. Using longitudinal data to understand changes in consistent contraceptive use. Perspect Sex Repro H. 2015;47:131–139.
- Johnson S, Pion C, Jennings V. Current methods and attitudes of women towards contraception in Europe and America. Reprod Health. 2013;10:7.
- Jones RK, Lindberg LD, Higgins JA. Pull and pray or extra protection? Contraceptive strategies involving withdrawal among US adult women. Contraception. 2014;90:416–421.
- Frohwirth L, Blades N, Moore AM, et al. The complexity of multiple contraceptive method use and the anxiety that informs it: implications for theory and practice. Arch Sex Behav. 2016;45:2123–2135.
- Frost JJ, Singh S, Finer LB. Factors associated with contraceptive use and nonuse, United States, 2004. Perspect Sex Reprod Health. 2007;39:90–99.
- Polis CB, Jones RK. Multiple contraceptive method use and prevalence of fertility awareness based method use in the United States, 2013-2015. Contraception. 2018;98:188–192.
- Whittaker PG, Merkh RD, Henry-Moss D, et al. Withdrawal attitudes and experiences: a qualitative perspective among young urban adults. Perspect Sex Reprod Health. 2010;42:102–109.
- Lamvu G, Steiner MJ, Condon S, et al. Consistency between most important reasons for using contraception and current method used: the influence of health care providers. Contraception. 2006;73:399–403.
- Unseld M, Rötzer E, Weigl R, et al. Use of natural family planning (NFP) and its effect on couple relationships and sexual satisfaction: a multi-country survey of NFP users from US and Europe. Front Public Health. 2017;135:42.
- Baxter S, Blank L, Guillaume L, et al. Views regarding the use of contraception amongst young people in the UK: a systematic review and thematic synthesis. Eur J Contracept Reprod Health Care. 2011;16:149–160.
- Choi J, Chan S, Wiebe E. Natural family planning: physicians' knowledge, attitudes, and practice. J Obstet Gynaecol Can. 2010;32:673–678.
- Fehring RJ. The future of professional education in natural family planning. J Obstet Gynecol Neonatal Nurs. 2004;33:34–43.
- Merki-Feld GS, Caetano C, Porz TC, et al. Are there unmet needs in contraceptive counselling and choice? Findings of the European TANCO Study. Eur J Contracept Reprod Health Care. 2018;23:183–193.
- Kelly PJ, Witt J, McEvers K, et al. Clinician perceptions of providing natural family planning methods in Title X funded clinics. J Midwifery Women’s Health. 2012;57:35–42.
- Dixon SC, Herbert DL, Loxton D, et al. As many options as there are, there are just not enough for me: contraceptive use and barriers to access among Australian women. Eur J Contracept Reprod Health Care. 2014;19:340–351.
- The Swedish Medical Products Agency. Antikonception - behandlingsrekommendation. Information Från Läkemedelsverket [Swedish National Recommendations on Contraceptive Use] 2014;25:14–28. Swedish.