Vitamin D levels during pregnancy linked with child IQ

Vitamin D is an important nutrient and has many important functions in the body. The mother’s vitamin D supply to her uterus in utero and helps regulate the process, including brain development, according to a study published today in the Journal of Nutrition.

Levels are linked to their children’s IQ, suggesting that high levels of vitamin D in pregnancy can lead to childhood IQ scores. The study also found significantly lower levels of vitamin D in black pregnant women.

Melissa Miloff, lead author of the study and research scientist in the Department of Child Health, Behavior and Development at the Seattle Children’s Research Institute, says vitamin D deficiency is common in the general population as well as in pregnant women, but notes that black Women are more at risk.

Mello says she hopes the health care provider will help women of color and those at higher risk of vitamin D deficiency.

 

“Melanin lubricant protects the skin from sun damage, but by blocking UV rays, melanin also reduces the production of vitamin D in the skin. “Although many pregnant women take prenatal vitamins, it does not cure vitamin D deficiency,” Melf said. “I hope that our The work brings more awareness to this issue,Highlighting the long-term implications of prenatal vitamin D for infants and their neurological development, and highlighting the need for some group providers to pay close attention.

Extensive testing of vitamin D levels is not generally recommended, but I think health care providers should look for people who are at higher risk, including black women.

Addressing inequality

According to Melo, 80 percent of pregnant women in the United States may be vitamin D deficient. Of the women who participated in the study, about 46 percent of mothers had vitamin D deficiency during pregnancy, and white women may have vitamin D deficiency. The level was lower in black women than in men.

Mello and her co-authors used data from a group in Tennessee on conditions affecting cognitive development and learning in their early childhood (CANDLE) study. Candle researchers recruited pregnant women to join the study, which began in 2006 and collected information about their children’s health and development over time.

After overcoming many other IQ-related factors, high levels of vitamin D during pregnancy were associated with higher intelligence in children aged 4 to 6 years. Although such an observational study cannot be the cause, Mello believes there are significant implications for his discovery and he guarantees further research.

Vitamin D deficiency

“Vitamin D deficiency is enough,” Melov said. The good news is that there is a relatively simple solution. Getting proper vitamin D through diet can be difficult, and not everyone can fill that gap through sun exposure, so a good solution is to take a supplement. ”

The recommended daily intake of vitamin D is 600 international units (IU). On average, Americans use less than 200 IU in their diet, and so if people aren’t building that vacuum through sun exposure or supplementation, Milf says there may be a shortage. Foods that are high in vitamin D.

These include strong fortifications such as fatty fish, eggs and cow’s milk and breakfast cereals. However, Miloff notes that vitamin D is one of the most difficult nutrients to get in the right amounts from our diet.

Additional research is needed to determine the maximum levels of vitamin D during pregnancy, but Melo hopes the study will help develop nutritional recommendations for pregnant women. Especially among black women and those at higher risk of vitamin D deficiency, nutrition and screening can be an effective strategy to reduce the health gap.

Key path

Melo says there are three main pathways to this research
Vitamin D deficiency is common during pregnancy, and black women are at greater risk because melanin oil in the skin reduces the production of vitamin D.

High levels of vitamin D among mothers during pregnancy can promote brain development and lead to IQ scores in childhood.

Screening and nutritional supplementation can eliminate vitamin D deficiency in individuals who promote cognitive function in children.

“I want people to know that this is a common problem and can affect children’s development,” Melov said. “Vitamin D deficiency can also occur if you eat a healthy diet. Sometimes it is related to our lifestyle, skin tone or other factors beyond our control.

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