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Knowledge on and intake of Folic acid supplementation in pregnant women in Denmark

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Folic acid (FA) deficiency is related to neural tube defects (NTD). In a non risk pregnancy The Danish National Board of Health recommends a FA supplementation from planned pregnancy until 3 month after conception. We looked into pregnant women’s knowledge about and actual supplementation of FA and related this to education, number of pregnancies and age.

Materials and methods

Eighty four consecutive pregnant women with a midwife consultation were included from the 25th - 28th of August 2008. All filled out a unified questionnaire.


82% had knowledge of FA supplementation and 89% had a FA supplementation. 51% followed national recommendations. We found statistically significant correlation between higher educational level and knowledge about FA supplementation, actual supplementation of FA and FA supplementation in correlation with national recommendations. No statistical relations were found between number of pregnancies or age and FA related parameters. Family, friends, general practitioner (GP) and the internet were main information sources.


Correct FA supplementation is quite low, correspondingly knowledge about and supplementation of FA is fairly high. Further intervention is necessary to increase correct FA supplementation. Women with low educational level, perhaps as an indicator for low socio-economic status seem as a group of interest. Multiple pregnancies or higher age cannot be seen as indicators for a higher information level. Information to the pregnant women incorporating family, friends, GP or the internet is suggested.

Author information

Correspondence to Mikkel Mylius Rasmussen.

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This article is published under license to BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Rasmussen, M.M., Clemmensen, D. & Mosdal, C. Knowledge on and intake of Folic acid supplementation in pregnant women in Denmark. Fluids Barriers CNS 7, S25 (2010).

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  • Pregnant Woman
  • Folic Acid
  • Neural Tube Defect
  • Multiple Pregnancy
  • High Educational Level