Lower vitamin D status in obese compared with normal-weight women despite higher vitamin D intake in early pregnancy. Issue 5 (October 2015)

• Record Type: Journal Article
• Authors: Karlsson, Therese; Andersson, Louise; Hussain, Aysha; Bosaeus, Marja; Jansson, Nina; Osmancevic, Amra; Hulthén, Lena; Holmäng, Agneta; Larsson, Ingrid
• Is Part Of: Clinical nutrition. Volume 34:Issue 5(2015:Oct.)
• Page Start: 892
• Page End: 898
• Publication Date: 2015-10
• Subjects: Critically ill -- Nutrition -- Periodicals; Diet therapy -- Periodicals; Parenteral feeding -- Periodicals; Enteral feeding -- Periodicals; Enteral Nutrition -- Periodicals; Parenteral Nutrition -- Periodicals; Metabolism -- Periodicals; Diétothérapie -- Périodiques; Alimentation parentérale -- Périodiques; Alimentation entérale -- Périodiques; Nutrition -- Périodiques; Diet therapy; Enteral feeding; Nutrition; Parenteral feeding; Electronic journals; Periodicals; Electronic journals; 615.854
• DOI: 10.1016/j.clnu.2014.09.012
• Languages: English
• ISSNs: 0261-5614

Abstract

<abstract xml:lang="en" abstract-type="author" id="abs0010"> <title id="sectitle0010">Summary</title> <sec> <title id="sectitle0015">Background</title> <p id="abspara0010">Obesity is associated with lower vitamin D concentrations than normal-weight. Pregnancy may affect vitamin D status, especially in obese subjects.</p> </sec> <sec> <title id="sectitle0020">Aims</title> <p id="abspara0015">The purpose of this study was to compare vitamin D status and intake between obese and normal-weight women during pregnancy.</p> </sec> <sec> <title id="sectitle0025">Methods</title> <p id="abspara0020">Twenty-five obese and 80 normal-weight women were recruited in the Western Sweden region (latitude 57°N). Blood samples and information on diet and sun exposure were collected in each trimester during pregnancy.</p> </sec> <sec> <title id="sectitle0030">Results</title> <p id="abspara0025">During summer months, 12% of normal-weight and 50% of obese women in the first trimester had serum 25(OH)D concentrations <50 nmol/L (<italic>P</italic> < 0.01). Supplement use, body fat mass, season of blood sampling, and travelling to southern latitudes were the most important determinants of vitamin D status. Obese women had higher reported dietary vitamin D intake in early pregnancy compared with normal-weight women. Usage of supplements containing vitamin D was 61% in early pregnancy and declined thereafter. Nine percent of normal-weight and 33% of obese women (<italic>P</italic> < 0.01) reported a dietary vitamin D intake according to national recommendations in the beginning of pregnancy.</p> </sec> <sec> <title id="sectitle0035">Conclusions</title> <p id="abspara0030">Half of the obese women had what could be considered as suboptimal vitamin D status in early pregnancy and lower vitamin D status compared with normal-weight women despite reporting a higher dietary vitamin D intake. A majority of the women did not reach intake of vitamin D according to dietary recommendations.</p> </sec> </abstract>