Dietary Supplement Use And Folate Status During Pregnancy In The United States

Use of folic acid during pregnancy is associated with a higher socioeconomic status known to have an impact on diet quality. Folate status in women of childbearing age united states 1999. This recommendation stands regardless of fortification of the food supply.

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One 2019 study found that 15 4 percent of pregnant women in the united states use herbal supplements.

Dietary supplement use and folate status during pregnancy in the united states. Strong evidence suggests that folic acid supplements consumed before and or during pregnancy is positively associated with folate status serum plasma and or rbc folate. Strong insufficient evidence is available to determine the relationship between folic acid from supplements consumed before and or during pregnancy and hemoglobin. Public health service phs recommended that women of child bearing age increase consumption of the vitamin folic acid to reduce spina bifida and anencephaly neural tube defects ntd cases 1 since then national efforts have been implemented to increase the use of dietary supplements containing folic.

However not all disclose to their physicians they re taking them. Although prenatal vitamin and mineral supplements are widely recommended as a standard of care in clinical practice little is known about the national prevalence of supplement use during pregnancy and the characteristics of pregnant women who take dietary supplements. So essentially the 400 mcg folic acid tablet recommended preconceptional is worth 680 mcg dfes and pregnant women then meet both recommendations by taking a supplement.

Iron requirements increase throughout pregnancy additional iron requirements during pregnancy increase substantially from the first trimester to the third trimester. Use is also higher among non hispanic whites than non hispanic blacks or mexican americans. The 600 mcg recommended during pregnancy is in the units of dietary folate equivalents dfe food folate 1 mcg dfe and folic acid 1 7 mcg dfe.

We used data from the 1999 2006 nhanes for this analysis. With a folic acid supplement in addition to a folate rich diet for the entire pregnancy. We have studied plasma b vitamin status according to reported use of folic acid supplements during the periconceptional period in norwegian women.

About 35 of adults and 28 of children aged 1 to 13 years in the united states use supplements containing folic acid 31 32. Therefore the purpose of this analysis is to describe the prevalence and correlates of dietary supplement use as well as iron and folic acid supplement use and to describe rbc folate status during pregnancy using data from the nhanes 1999 2006. Food fortification with folic acid has been effective in increasing both serum and red blood cell folate levels among women of childbearing age in the united states.

However not all disclose. Adults aged 51 to 70 years are more likely than members of other age groups to take supplements containing folic acid. In 1992 the u s.