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Prev Med. 2005 Jun;40(6):867-71.

Implementation and outcomes of recommended folic acid supplementation in Mexican-American women with prior neural tube defect-affected pregnancies.

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  • 1Texas Department of Health, Austin, TX, USA. marilyn.felkner@tdh.state.tx.us



Upon discovering an NTD incidence rate of 27/10,000 in a Texas border county, the Texas Department of Health initiated folic acid intervention for prevention of recurrent NTDs in this predominantly Mexican-American population. This paper describes compliance of this population with USPHS folic acid recommendations and the impact of supplementation on pregnancy outcomes.


Based upon information from active surveillance, field teams personally contacted women having NTD-affected pregnancies to enroll them in FA intervention. Enrollees were provided FA at home visits at 3-month intervals throughout the project.


Of 405 women identified with NTD-affected pregnancies, 299 (73.8%) enrolled in the intervention. One hundred ninety-three pregnancies occurred among 138 women. FA supplementation of 0.4 mg/day or more occurred during the last month preconception in 161 (83.4%) of the 193 pregnancies. No NTDs were detected in the 130 livebirths to women who received supplementation nor were NTDs detected in the 23 supplemented women who experienced pregnancy loss.


Supplementation was successful in preventing recurrent NTDs in Mexican-American women.

[PubMed - indexed for MEDLINE]
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