Nutrient intakes during pregnancy: observations on the influence of smoking and social class.

摘要: The influence of smoking and social class on dietary intake in pregnancy was investigated a random sample smokers (greater than or equal to 15 cigarettes/d) nonsmokers. A total 206 subjects (94 112 nonsmokers) completed 7-d weighed at 28 wk gestation 178 second assessment 36 wk. Nonsmokers had higher intakes almost all nutrients did the nutrient density their diet greater. Energy nonsignificantly Women classes highest intakes. Smokers were shorter nonsmokers tended be lower class. After maternal height controlled for, significant effect many micronutrients. Dietary reduced late pregnancy, particularly smokers. These data suggest that have poorer quality diet.