Two-thirds of women in the U.K. not taking folic acid before pregnancy to prevent spina bifida

- February 19, 2014

Science Daily/Queen Mary, University of London

Research published today from Queen Mary University of London reveals less than 1 in 3 women have taken folic acid supplements before pregnancy to prevent spina bifida and other birth defects of the brain, spine, or spinal cord (neural tube defects). This is despite research from 1991 showing that such conditions could be prevented in most cases by increasing the intake of the B-vitamin folic acid before pregnancy.

 

The study, carried out by Queen Mary's Wolfson Institute of Preventive Medicine and published in the journal PLOS ONE, questioned nearly half a million women attending antenatal screening between 1999 and 2012 in England and the Isle of Man. The proportion of women taking folic acid supplements decreased from 35% in 1999-2001 to 31% in 2011-2012.

 

The study also showed strong ethnic variations with only 17% of Afro-Caribbean women, 20% of South Asian women and 25% of East Asian women taking folic acid supplements, compared with 35% of Caucasian women. In addition, only 6% of women under 20 were taking folic acid supplements compared with 40% of women aged 35 to 39.

 

Women who had previously had a pregnancy involving neural tube defects were more likely to take folic acid supplements before pregnancy than women who had not, but still only half of them did (51%) in spite of their high risk of a recurrence.

 

Over 70 countries, including the US and Australia, have introduced mandatory folic acid fortification to reduce the risk of women having a pregnancy affected with neural tube defects. Despite recommendations from the Food Standards Agency to fortify flour with folic acid, and evidence that folic acid fortification is effective, neither the UK nor any other EU country has mandated this.

http://www.sciencedaily.com/releases/2014/02/140219174853.htm

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