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Objectives: The objective of this study was to determine the vitamin D status of pregnant Omanis by measurement of their circulating 25 hydroxy vitamin D levels. Methods: Blood samples were obtained from a cohort of 103 consecutive healthy pregnant Omanis at the Armed Forces Hospital, Muscat, on their first antenatal visit. The study took place in May, June and July 2010. Results: Vitamin D deficiency was present in 34 (33%) of patients (25OHD3 <25 nmol/L), ‘at risk’ levels were found in 67 (65%) patients (25OHD3 25–50 nmol/L); two patients (1.9%) had values between 50 and 75 nmol/L, and no patients in the optimal range >75 nmol/L. Conclusion: If confirmed, these findings indicate the need for vitamin D replacement during pregnancy and lactation. Although not evidence based we recommend at least 1000 IU of cholecalciferol, (vitamin D3) daily.


Pregnancy Oman 25 hydroxyvitamin D3 (25OHD3) Vitamin D deficiency

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Al Kalbani, M., Elshafie, O., Rawahi, M., Al-Mamari, A., Al-Zakwani, A., & Woodhouse, N. (2011). Vitamin D Status in Pregnant Omanis A disturbingly high proportion of patients with low vitamin D stores. Sultan Qaboos University Medical Journal, 11(1), 52–55. Retrieved from

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