Abstract
The present study was undertaken to establish if there was aeasonal variation in the leukocyte ascorbic acid levels in normal pregnant women from a tropical country. A prospective study was carried out in the Instituto Nacional de Perinatologia (INPer) in Mexico City in a group of 30 pregnant women that did not consume any vitamins supplements. Leukocyte ascorbic acid levels were determined by the Denson and Bowers technique. A 24 hour nutritional recall and a seven day freuency survey were used to evaluate the diet consumed. The presence of urinary infections as well as other type of infections were also investigated. A significant seasonal variation in the leukocyte ascorbic acid levels of these women was detected (p<0.05): the lowest levels were found from December to May and the highest were in June and July. No differences were observed in the monthly leukocyte counts. Variation of the fruit and vegetable intake depended on the availability of these products. An inverse linear relationship was found between the presence of infections and the leukocyte ascorbic acid levels.
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