Reference

 

1. NHS Direct Health Encyclopedia: Infertility; Introduction. Available from: http://www.nhsdirect.wales.nhs.uk/encyclopaedia/i/article/infertility/ Accessed 17 March 2014.

2. Czeizel AE. Primary prevention of neural-tube defects and some other major congenital abnormalities. Paediatric Drugs 2000;2(6);437–449.

3. National Health and Medical Research Council. Nutrient Reference Values for Australia and New Zealand Including Recommended Dietary Intakes, 2006.

4. Czeizel AE. Periconceptional folic acid containing multivitamin supplementation. Eur J Obstet Gynecol Reprod Biol 1998; 78:151–161.

5. 2013 Australian Dietary Guidelines Summary found at: https://www.nhmrc.gov.au/_files_nhmrc/publications/attachments/n55a_australian_dietary_guidelines_summary_131014.pdf Accessed 20 March 2014. 

6.  http://www.foodstandards.gov.au/consumer/generalissues/pregnancy/Pages/default.aspx Accessed 20 March 2014.