Women who get sufficient vitamin D is approximately one-third less likely to develop fibroids in the wall of the uterus, according to a U.S. study published in the journal Epidemiology. This study is the first to relate uterine fibroids to the level of vitamin D.

Researchers from the National Institute of Environmental and Health Sciences (NIEHS) at George Washington University recruited 1,036 women aged 35-49 years of which 620 was colored and 416 was white. The women had their blood levels of vitamin D measured and and they also stated how much sun they got during the day. Fibroids were detected using ultrasound device.