Are prenatal vitamins worth the money?

Published on Author cuttingedgevitamins

(CNN)Women who are planning or able to become pregnant should take 400 to 800 micrograms of folic acid every day, the US Preventive Services Task Force affirmed in a recommendation Tuesday.

“These supplements can be taken as a daily multivitamin, prenatal vitamin, or single tablet that has the recommended amount of folic acid,” task force member and pediatrician Dr. Alex Kemper said in a news release about the recommendation, which was published in JAMA.
Doctors have long recommended that women take folic acid before and during pregnancy to protect against neural tube defects such as anencephaly and spina bifida. Still, the updated folic acid recommendation comes after some researchers questioned whether prenatal supplements really benefit mothers-to-be and babies.
Though some of those nutrients are important, there are many more that might be unnecessary, according to a paper published in the British Medical Journal’s Drug and Therapeutics Bulletin in 2016.
It turns out that only folic acid and vitamin D have any evidence to support their use in dietary supplements for pregnancy, said Dr. James Cave, editor-in-chief of the bulletin and a practitioner at the Downland Practice in Newbury, Berkshire.
“I think we were surprised,” Cave said. “Vitamin deficiencies are common in women of childbearing age, and you would therefore expect there to be plenty of good evidence that taking a multivitamin helps in some way.”



Myths of pregnancy


The researchers did not identify clear evidence that vitamins and nutrients other than folic acid and vitamin D helped to prevent birth complications. Rather, the use of supplements containing vitamin A was not recommended during pregnancy.
The paper concluded that folic acid has the strongest evidence support, followed by vitamin D, which was less clear-cut. “What we found was that the human is a tougher being than perhaps we realize and seems to be able to function completely well with some vitamin levels lower than are considered normal,” Cave said.

What’s recommended, what’s not

However, some doctors are quick to point out that these findings are not representative of the needs of expectant mothers in the United States.
Though the American Congress of Obstetricians and Gynecologists has no specific guidance about whether or not pregnant women need to take a prenatal vitamin, Dr. Scott Sullivan, a fellow at the group, said that taking specific evidence-based minimums of nutrients are suggested:
“It is certainly more convenient to take one supplement rather than five things and probably improves compliance,” said Sullivan, an associate professor at the Medical University of South Carolina who was not involved in the new paper.
“It’s not time to abandon the multivitamin or prenatal vitamin, and it’s not one-size-fits-all,” he said. “Nutrition is important in pregnancy and should be maximized. The choice of prenatal vitamins should be individualized, made in conjunction with a woman’s OB-GYN or provider, with attention to the minimums mentioned.”

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Even though doctors may have differing thoughts on the importance of supplements, many agree on what foods should be a part of a pregnant woman’s diet.
For instance, a growing consensus is that cooked seafood, such as salmon, tilapia or cod, is beneficial, Sullivan said.
“It’s really interesting that women were scared of seafood because of mercury, which absolutely, mercury is terrible, but that’s a very small amount of what’s available in seafood,” Sullivan said. “There’s conclusive evidence that for women who eat a regular amount of seafood during pregnancy, their children may have better performance on cognitive and motor tests.”
Additionally, he recommends that pregnant women eat a balanced diet of fruits, vegetables, grains, proteins and dairy.

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