Skip to main content
. 2004 Sep 27;4:20. doi: 10.1186/1471-2393-4-20

Table 2.

Annual rates of neural tube defects (NTDs) in Newfoundland and Labrador before folic acid supplementation (1991–1993), prior to folic acid fortification (1994–1997) and after fortification (1998–2001)

Period No. of cases of NTDs Total no. of births* Rate per 1,000 births
In live births and stillbirths In terminated pregnancies Total
Pre-supplementation
1991–1993 50 40 90 20,711 4.35
Pre-fortification
1994–1997 53 50 103 23,592 4.37
Post-fortification
1998–2001 8 11 19 19,816 0.96

* The total number of births includes live births, stillbirths and terminations for an NTD.

HHS Vulnerability Disclosure