Vitamin D insufficiency in pregnant and nonpregnant women of childbearing age in the United States.

Vitamin D insufficiency in pregnant and nonpregnant women of childbearing age in the United States.
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DOI:
10.1016/j.ajog.2009.11.036
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发表时间:
2010-05
影响因子:
9.8
通讯作者:
Camargo CA Jr
Camargo CA Jr
中科院分区:
医学1区
文献类型:
--
作者:
Ginde AA;Sullivan AF;Mansbach JM;Camargo CA Jr

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我们评估了一个全国代表性的妇女样本中维生素D不足的情况,并评估了维生素补充剂的作用。我们对2001-2006年国家健康和营养调查中928名13-44岁的孕妇和5173名非孕妇进行了二次分析。孕妇的平均25-羟基维生素D(25[OH]D)水平为65 nmol/L,非孕妇为59 nmol/L。25(OH)D <75 nmol/L的患病率分别为69%和78%。妊娠前三个月的孕妇与非妊娠妇女的25(OH)D水平相似(55 vs 59 nmol/L),尽管服用维生素D补充剂的比例较高(61% vs 32%)。然而,孕早期妇女的25(OH)D水平低于孕晚期妇女(80 nmol/L),可能是由于补充剂使用时间较短。青春期和成年育龄妇女维生素D不足的患病率很高。目前产前多种维生素(400 IU维生素D)有助于提高血清25(OH)D水平,但可能需要更高的剂量和更长的持续时间。
We evaluated vitamin D insufficiency in a nationally representative sample of women and assessed the role of vitamin supplementation. We conducted secondary analysis of 928 pregnant and 5173 nonpregnant women aged 13–44 years from the National Health and Nutrition Examination Survey 2001–2006. The mean 25-hydroxyvitamin D (25[OH]D) level was 65 nmol/L for pregnant women and 59 nmol/L for nonpregnant women. The prevalence of 25(OH)D <75 nmol/L was 69% and 78%, respectively. Pregnant women in the first trimester had similar 25(OH)D levels as nonpregnant women (55 vs 59 nmol/L), despite a higher proportion taking vitamin D supplementation (61% vs 32%). However, first-trimester women had lower 25(OH)D levels than third-trimester women (80 nmol/L), likely from shorter duration of supplement use. Adolescent and adult women of childbearing age have a high prevalence of vitamin D insufficiency. Current prenatal multivitamins (400 IU vitamin D) helped to raise serum 25(OH)D levels, but higher doses and longer duration may be required.
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