Healthy pregnant women showed no significant changes in their caloric intake or nutritional profiles. Performed with an accurate measurement, this prospective study shows that healthy pregnant require neither increased caloric intake nor a change in macronutrient composition.
In this random group of pregnant subjects no correlation was found between adiponectin and insulin, C-peptides, blood sugar levels or BMI. No correlation was found between adiponectin and carbohydrate metabolism. The adiponectin levels of the pregnant women correlated negatively with triglyceride levels during the various stages of pregnancy; in the 36th week of gestation and at 6 weeks after the birth a positive correlation with HDL cholesterol was observed. The decrease in adiponectin concentration in pregnancy must therefore be more closely connected with changes in fat metabolism than with an increase in insulin resistance or weight gain during the pregnancy. The decrease in adiponectin does not correlate with an increase in body fat, BMI or weight; however, it does correlate with metabolism. The mechanisms of the regulation, which causes adiponectin levels to fall, is still unknown.
High ascorbic acid concentrations cause a reduction in the color reaction of urine dip sticks. False-negative test stick measurements can appear in patients with low glycosuria. The rate of glycosuria shows high individual differences and dependent on the concentration of vitamin C. We conclude that dip sticks are not useful in prenatal management.
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