REFERENCES
- Jack BW, Atrash H, Coonrod DV, et al. The clinical content of preconception care: An overview and preparation of this supplement. Am J Obstet Gynecol 2008; 199(Suppl. 2):S266–S279.
- Johnson K, Posner SF, Biermann J, et al. Recommendations to improve preconception health and health care – United States. A report of the CDC/ATSDR Preconception Care Work Group and the Select Panel on Preconception Care. MMWR Recomm Rep 2006;55(RR-6):1–23.
- Anbefalinger for svangreomsorgen 2009. 1-6-2009. Sundhedsstyrelsen. Accessed September 2012 from: http://www.sst.dk/˜/media/Sundhed%20og%20forebyggelse/Graviditet/Anbefalinger%20for%20svangreomsorg/Svangreomsorg_2009.ashx
- MRC Vitamin Study Research Group. Prevention of neural tube defects: Results of the Medical Research Council Vitamin Study. Lancet 1991;338:131–7.
- De-Regil LM, Fernandez-Gaxiola AC, Dowswell T, Pena-Rosas JP. Effects and safety of periconceptional folate supplementation for preventing birth defects. Cochrane Database Syst Rev 2010;(10):CD007950.
- Ulrich M, Kristoffersen K, Rolschau J, et al. The influence of folic acid supplement on the outcome of pregnancies in the county of Funen in Denmark. Part III. Congenital anomalies. An observational study. Eur J Obstet Gynecol Reprod Biol 1999;87:115–8.
- Hannigan JH, Armant DR. Alcohol in pregnancy and neonatal outcome. Semin Neonatol 2000;5:243–54.
- Maconochie N, Doyle P, Prior S, Simmons R. Risk factors for first trimester miscarriage – Results from a UK-population-based case-control study. BJOG 2007; 114:170–86.
- O’Leary CM, Nassar N, Kurinczuk JJ, Bower C. The effect of maternal alcohol consumption on fetal growth and preterm birth. BJOG 2009;116:390–400.
- Statens Institut for folkesundhed SUS. Den nationale Sundhedsprofil 2010. 1-1-2010. Accessed September 2012 from: http://www.sst.dk/sundhed%20og%20forebyggelse/kommunal%20sundhedsplanlaegning/DenNationaleSundhedsprofil.aspx
- Andres RL, Day MC. Perinatal complications associated with maternal tobacco use. Semin Neonatol 2000;5: 231–41.
- Morin P, De WP, Noiseux M, et al. Pregnancy planning and folic acid supplement use: Results from a survey in Quebec. Prev Med 2002;35:143–9.
- Tyden T, Stern J, Nydahl M, et al. Pregnancy planning in Sweden – A pilot study among 270 women attending antenatal clinics. Acta Obstet Gynecol Scand 2011;90: 408–12.
- The PrePreg Network. Preconception health and care in Europe. 2013. Accessed December 2012 from: http://www.pubcare.uu.se/forskning/vardvetenskap/prepreg_network/
- Barrett G, Smith SC, Wellings K. Conceptualisation, development, and evaluation of a measure of unplanned pregnancy. J Epidemiol Community Health 2004;58: 426–33.
- Morin P, De WP, St-Cyr-Tribble D, et al. Pregnancy planning: A determinant of folic acid supplements use for the primary prevention of neural tube defects. Can J Public Health 2002;93:259–63.
- Nilsen AB, Waldenstrom U, Hjelmstedt A, et al. Characteristics of women who are pregnant with their first baby at an advanced age. Acta Obstet Gynecol Scand 2012;91:353–62.
- Knudsen VK, Orozova-Bekkevold I, Rasmussen LB, et al. Low compliance with recommendations on folic acid use in relation to pregnancy: Is there a need for fortification?. Public Health Nutr 2004;7:843–50.
- Inskip HM, Crozier SR, Godfrey KM, et al. Women's compliance with nutrition and lifestyle recommendations before pregnancy: General population cohort study. BMJ 2009;338:b481.
- Strandberg-Larsen K, Nielsen NR, Gronbaek M, et al. Binge drinking in pregnancy and risk of fetal death. Obstet Gynecol 2008;111:602–9.
- Jones SC, Telenta J. What influences Australian women to not drink alcohol during pregnancy?. Aust J Prim Health 2012;18:68–73.
- Delvoye P, Guillaume C, Collard S, et al. Preconception health promotion: Analysis of means and constraints. Eur J Contracept Reprod Health Care 2009;14:307–16.