title: Vitamin D status of pregnant and non-pregnant women of reproductive age living in Hanoi City and the Hai Duong province of Vietnam.
abstract: Vitamin D insufficiency during pregnancy has been associated with a number of adverse outcomes for both mother and child. Vitamin D insufficiency has been well described in many populations of both pregnant and non-pregnant women of childbearing age, but there is a lack of data on women living in South-East Asia. We measured plasma 25-hydroxyvitamin D in a representative sample of pregnant (n=64) and non-pregnant (n=477) women (15-49 years) living in Hanoi City (n=270) and rural Hai Duong Province (n=271) in northern Vietnam. Mean 25-hydroxyvitamin D (95% confidence interval) concentration was 81 (79, 84)nmolL(-1) . Mean 25-hydroxyvitamin D concentration differed between urban and rural (78 vs. 85nmolL(-1) ; P=0.016), farming and non-farming (89 vs. 77nmolL(-1) ; P<0.001) but not pregnant and non-pregnant or older vs. younger women. Only one woman had a 25-hydroxyvitamin D less than 25nmolL(-1) , a concentration indicative of vitamin D deficiency. Of the women, 7% and 48% of the women were vitamin D insufficient based on cut-offs for plasma 25-hydroxyvitamin D of 50 and 75nmolL(-1) , respectively. Mean plasma 25-hydroxyvitamin D concentrations of these Vietnamese women were much higher than those reported in other studies of pregnant and non-pregnant women in the region.
authors: National Institute of Nutrition, Hanoi, Vietnam Department of Human Nutrition, University of Otago, Dunedin, New Zealand.
authors: Vu Thi Thu
authors: VT
authors: Hien
authors: Nguyen Thi
authors: NT
authors: Lam
authors: C Murray
authors: CM
authors: Skeaff
authors: Joanne
authors: J
authors: Todd
authors: Judy M
authors: JM
authors: McLean
authors: Timothy J
authors: TJ
authors: Green
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008875:Middle Aged; D015596:Nutrition Assessment; D009752:Nutritional Status; D011247:Pregnancy; D011248:Pregnancy Complications / Q000097:blood / Q000453:epidemiology; D012307:Risk Factors; D012424:Rural Population / Q000706:statistics & numerical data; D014505:Urban Population / Q000706:statistics & numerical data; D014744:Vietnam / Q000453:epidemiology; D014807:Vitamin D / Q000031:analogs & derivatives / Q000097:blood*; D014808:Vitamin D Deficiency / Q000097:blood / Q000453:epidemiology*; D016387:Women's Health; D055815:Young Adult
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D