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| American
Medical Association publishes its findings
that appropriate use of folic acid,
beginning six weeks before conception
and continuing four weeks after conception,
reduces the incidence of NTDs by 73%.
Beginning prenatal vitamins more than
30 days after conception seems to yield
no benefit. |
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| United
States Centers for Disease Control recommends
all women who have had a pregnancy affected
by a neural tube defect take 4000 mcg of folic
acid daily. |
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| United
States Public Health Service recommends all
women of child bearing age take 400 mcg of
folic acid daily. |
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| American
College of Obstetricians and Gynecologists
recommends doctors ask women of child bearing
age about their intention to get pregnant
at regular visits, and make appropriate nutritional
recommendations. |
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| United
States Department of Health and Human Services
requires manufacturers of most grain products
to fortify them with folic acid in order to
reduce the incidence of NTDs. The law takes
effect January 1, 1998. |
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| United
States Centers for Disease Control publishes
a study finding 70% of all women of child
bearing age are not getting enough folic acid,
even with grain product fortification. |
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| United
States Public Health Service publishes a study
finding grain product enrichment with folic
acid has reduced the incidence of neural tube
defects by 19%. |
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