7Charlton KE ,Gemming L,Yeatman H ,et al. Suboptimal io-dine status of Australian pregnant women reflects poorknowledge and practices related to iodine nutrition[ J]. Nu-trition ,2010,26 (10) :963.
8Althuizen E, van Popple MN, Seidell JC, et al. Correlates of absolute and excessive weight gain during pregnancy. J Womens Health, 2009 ; 18(10) : 1559-1566.
9Haakstad LA, Voldner N, Henrikse T, et al. Physical activity [eve[ and weight gain in a cohort of pregnantNorweg;,an women. Acta Obstetriciaet Gynecologica, 2007, 86 (5) : 559-564.
10Mozaffarian D, Hao T, Rimm EB,et al. Changes in diet and lifestyle and long-term weight gain in women and men. N Engl Med,2011,364(25) :2392-2404.