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Objectives: to evaluate the association between dietary intake during pregnancy and different gestational clinical conditions (hypertensive, diabetics, smokers, having intrauterine growth restriction and a control group) and associated factors. Methods: cross-sectional study nested in a cohort study from 2011 to 2016 that occurred in three hospitals in Porto Alegre (Brazil). Sociodemographic conditions and prenatal were investigated and maternal feeding practices were analyzed by the Food Frequency Questionnaire. To calculate the caloric percentage from food groups, food items were categorized into:unprocessed or minimally processed, processed and ultra-processed foods. The Kruskal-Wallis test with Dunn's post-hoc compared food consumption between the groups and the Poisson regression evaluated the association between the variables. Results: there was no statistical difference in food intake among 303 mothers of different gestational clinical conditions, but diabetic pregnant women had lower caloric contribution value of ultra-processed foods. In addition, pregnant women from all groups showed adequate consumption in relation to the percentage of caloric contribution of macronutrients in the total energy value. Conclusions: there was no difference in energy consumption according to different gestational clinical conditions. In diabetic, smokers and hypertensive pregnant women, associations between total energy intake and different sociodemographic factors were observed between the groups. [ABSTRACT FROM AUTHOR]

Objectives: to describe the low risk prenatal nutritional care theory adopted by Brazilian National Health System. Methods: an evaluative study was carried Out based on the Love's Implementation Evaluation Model (2004), in its third stage (deliver the program). Coverage was examined using the database of the 2006 National Demographics and Health Survey and components analysis included the development of causal and logical-operational models. Results: prenatal care has virtually universal coverage in Brazil. However, non-participation in prenatal and nutritional care is related to lower socio-economic status. The high level of nutritional disorders during pregnancy and the presumed logical chain of causes of these disorders and their consequences show the importance of intervening in the nutritional status of pregnant women, given that it is possible to act on this cause and that such actions have been shown to be effective / efficacious. The logico-operational model showed that, if the structure and the process of nutritional care are adequately implemented, the desired results can be achieved. Conclusions: the description and modeling of the theory of intervention can be shown to be fundamental stages in the evaluation and improvement of the implementation of nutritional care during the prenatal period. [ABSTRACT FROM AUTHOR]