Vitamin A nutritional status in high- and low-income postpartum women and its effect on colostrum and the requirements of the term newborn.

Objective: To evaluate the vitamin A status in serum and colostrum of postpartum women with different socioeconomic status, comparing the colostrum retinol supply with the vitamin A requirement of the newborn.

Methods: Cross-sectional study conducted with 424 postpartum women. Vitamin A maternal dietary intake was estimated using a food frequency questionnaire.

Alpha-tocopherol concentration in serum and colostrum of mothers with gestational diabetes mellitus.

Objective: To evaluate and compare the levels of α-tocopherol in colostrum and in the serum of healthy and diabetic mothers.

Methods: This cross-sectional study enrolled 51 volunteer mothers, 20 with the diagnosis of gestational diabetes mellitus and 31 without associated diseases. Serum and colostrum samples were collected in fasting in the immediate postpartum period and α-tocopherol was analyzed by high performance liquid chromatography (HPLC).