The Relationship of Nutritional Energy and Macronutrient Intake with Pregnancy Outcomes in Czech Pregnant Women

Maternal nutrition and metabolism play important roles for the well-being of both mother and fetus during pregnancy. This longitudinal study brings an original evaluation of the relationship between the nutritional energy and macronutrients intake (NEMI) and pregnancy outcomes and an assessment of the changes in such intake over the previous ten years. Sixty-five healthy Czech pregnant women were examined in three pregnancy periods (1st: 17th–27th; 2nd: 28th–35th; 3rd: 36th–38th gestational weeks). Results of 7-day dietary records were analyzed using NutriDan software. Energy intake decreased from 30.0 kcal/kg to 25.0 kcal/kg during pregnancy. The data also showed a decrease in macronutrients intake (p < 0.0001) with the advancing stage of pregnancy. Positive correlations were demonstrated between NEMI and birth weight (r = 0.410, p < 0.001). In the second pregnancy period, NEMI (excluding carbohydrates) positively associated with neonatal birth length (p < 0.01) and negatively with duration of birth (p < 0.05). An increased NEMI in the last period of pregnancy shortened the length of pregnancy.

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