Objectives
General objective 1
o know the hygieninc-dietetic habits with respect to the consumption of iodine-rich foods and smoking of women during the three trimesters of gestation.
General objective 2
To know the prevalence of ioduria less than 150 μg/L (iodine deficiency) and the factors associated with its appearance during the first three months of gestation.
Secondary Objectives
1. Validate the questionnaire on nutritional iodine status in pregnant women.
2. Determine the iodine-rich foods consumed by pregnant women in each trimester of gestation and how these foods are prepared (boiled, fried, baked...).
3. Determine whether pregnant women use iodised salt in the preparation and condimentation of foods.
4. Determine whether pregnant women take any supplement containing iodine during gestation.
5. Describe the modifications in the smoking habits produced during gestation.
6. Compare the nutritional iodine status of the pregnant population between the different Primary Care Centres (PCC) participating in the study, ethnic groups, levels of education and gestational trimester.
7. Study the repercussions of the educational interventions on hygienic-dietetic habits and smoking as well as on iodurias and the taking of iodine supplements.