Saturday, May 01, 2010
Pregnant Arab women have an “extraordinarily high prevalence” of vitamin D deficiency – a potential health issue for them and their babies, according to a new Cincinnati Children’s Hospital Medical Center study.
The vitamin deficiency is largely due to how Arab women dress outdoors – preventing exposure of the skin to sunlight and subsequent vitamin D intake, according to Adekunle Dawodu, M.D., a physician in the Center for Global Child Health at Cincinnati Children’s and lead author of the study.
“Vitamin D deficiency is common in Arab women, and its deficiency in pregnancy is detrimental to the health of both mother and child,” he says. “The problem can be addressed by either vitamin D supplementation or having expectant mothers expose their skin modestly to sunlight in private, such as the privacy of their own courtyards.”
Dr. Dawodu will present his study at 4 p.m. ET Saturday, May 1, at the annual meeting of the Pediatric Academic Societies in Vancouver, Canada.
“Vitamin D deficiency is the major cause of rickets around the world, but rickets may be just the tip of the iceberg,” says Dr. Dawodu. “Increasingly, research is revealing the importance of vitamin D in protecting against a host of health problems – not just those involving calcium and bone. It also may increase the risk of respiratory infection and chronic diseases after birth and later in life.”
Dr. Dawodu studied vitamin D status in 105 expectant Arab mothers participating in a prenatal, vitamin D supplementation study in the United Arab Emirates. Blood samples were taken at different times of the year. Dr. Dawodu found no seasonal variation in the rate of vitamin D deficiency.
Blood vitamin D levels in adults of less than 50 nanomoles per liter are considered deficient. In this study, 76 percent of the women had blood vitamin D levels below 25 nanomoles per liter – an amount considered very low by any standard. In addition, these pregnant women had low levels of dietary vitamin D intake and low rates of sun exposure outdoors.
“Vitamin D supplementation and modest sun exposure require urgent attention,” says Dr. Dawodu.
Cincinnati Children’s Hospital Medical Center is one of 10 children’s hospitals named to the Honor Roll in U.S. News and World Report’s 2009-10 America’s Best Children’s Hospitals. It is ranked #1 for digestive disorders and highly ranked for its expertise in respiratory diseases, cancer, neonatal care, heart care, neurosurgery, diabetes, orthopedics, kidney disorders and urology. Cincinnati Children’s is one of the top two recipients of pediatric research grants from the National Institutes of Health (NIH). Internationally recognized for quality and innovation by The Joint Commission, the Institute for Healthcare Improvement and the federal Agency for Healthcare Research and Quality, it has collaborations with hospitals and health systems around the world. . Additional information can be found at www.cincinnatichildrens.org