Recent studies suggest vitamin D supplements should be taken during pregnancy to prevent language difficulties from developing in the child. Lead researcher Andrew Whitehouse of the University of Western Australia cautions that it’s too soon to draw absolute conclusions since no cause-and-effect relationship has been proven. There is also no agreement as to dosage. The Endocrine Society recommends 1,500 to 2,000 IU per day of vitamin D for pregnant women, but Dr. Jennifer Wu of Lenox Hill Hospital in New York City said, “Women who are deficient in vitamin D may need as much as 10,000 IU a day.” Preeclampsia may also be related to a deficiency of vitamin D.
Read full article here: Low Vitamin D During Pregnancy Tied to Poorer Language Skills