1998
DOI: 10.1016/s0029-7844(98)00060-x
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Preventing neural tube defects: The importance of periconceptional folic acid supplements

Abstract: Women of reproductive age should be advised to take multivitamin supplements containing 0.4 mg folic acid daily. Women with previously affected offspring who intend to become pregnant should take daily supplementation containing 4 mg of folic acid in the periconceptional period to reduce the risk of recurrence.

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Cited by 89 publications
(59 citation statements)
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“…Strategies to reduce death rates due to congenital malformations include: ensuring an adequate folate intake around the time of conception, either by using vitamin supplements 53 or through food fortification; 54 avoidance of alcohol and of any drugs or medicines during pregnancy; treatment of diabetes before conception and continued control during pregnancy; and fetal screening and selective abortions.…”
Section: Potential Interventions Against Mortality Due To Congenitalmentioning
confidence: 99%
“…Strategies to reduce death rates due to congenital malformations include: ensuring an adequate folate intake around the time of conception, either by using vitamin supplements 53 or through food fortification; 54 avoidance of alcohol and of any drugs or medicines during pregnancy; treatment of diabetes before conception and continued control during pregnancy; and fetal screening and selective abortions.…”
Section: Potential Interventions Against Mortality Due To Congenitalmentioning
confidence: 99%
“…
O enriquecimento de alimentos com ácido fólico (AF) tem sido incentivado na última década devido, principalmente, a trabalhos que demonstraram uma possível relação da vitamina com as doenças que acometem o tubo neural do feto, isto é, as malformações congênitas, que podem ser ocasionadas pela carência de ácido fólico na alimentação de gestantes [3,7,8,9,11,17,24]. Os produtos escolhidos para o enriquecimento com ácido fólico nos EUA são principalmente os cereais matinais, as farinhas e o macarrão, entre outros [2,25].
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unclassified
“…Moreover, folate is the substrate donor in the remethylation of homocysteine into methionine, catalyzed by methionine synthase and 5,10-methylenetetrahydrofolatereductase (MTHFR). Altered homocysteine metabolism leading to HHCY has been proposed as the mechanism involved in NTDs given that higher tHcy levels were found in plasma or amniotic fluid of NTD infants and their mothers with respect to non-NTD individuals (Locksmith and Duff, 1998;Tamura and Picciano, 2006). Moreover, HHCY depends on inherited and acquired conditions (genetic polymorphisms of MTHFR 677 C!T and 1298 A!C); methionine synthase (MTR) 2756 C!G; methionine synthase reductase (MTRR) 66 A!G) (Guéant et al, 2003) and folate and/or vitamin B 6 /B 12 deficiencies due to deregulation of their normal metabolism and/or low dietary intake (Steen et al, 1998).…”
Section: Embryogenesismentioning
confidence: 99%