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자료유형
학술저널
저자정보
저널정보
대한지역사회영양학회 대한지역사회영양학회지 대한지역사회영양학회지 제9권 제2호
발행연도
2004.4
수록면
142 - 150 (9page)

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To increase both iron and enhancers for iron absorption through diets should be a basic strategy to sufficiently provide increased iron for pregnancy. Previous studies reported that iron intakes of Korean pregnant women were short and their iron status deteriorated as pregnancy progressed. However, there is litt]e data about the bioavailability of dietary iron during pregnancy. Therefore, this study was conducted to determine the changes of dietary iron intakes, its bioavailability and iron status during pregnancy ]ongitudinally in Korean women. A total of ] 51 pregnant women in their first trimester of pregnancy voluntarily participated. Among them, 72 women finished the research protocol during the second trimester and 55 did it during the third trimester. Dietary intakes of total iron, both non-heme and heme iron. as well as enhancers, both MPF (meat, poulty, and fish) and vitamin C, increased significantly as pregnancy progressed. As the results. bioavailability of dietary iron and iron absorbed increased significantly as pregnancy progressed. How?ever, the amount of iron absorbed at each trimester did not meet considerably the iron needed during pregnancy. All five indices examined in the study, Hb level, Het, serum concentrations of ferritin and sTfR (soluble transferrin receptor), and sTfR: ferritin ratio, showed that iron status of the subjects deteriorated as pregnancy progressed. The rate of anemia of the subjects increased as pregnancy progressed although more than 80% of the subjects took iron supple-ments after the 20th week of pregnancy. These results imply that it is needed to provide more iron especially, he me iron and dietary enhancers to prevent the deterioration of iron status during pregnancy. Future research on bioavailablility of supplemental iron should be performed to determine the iron balance precisely. (Korean J Community Nutrition 9(2) :142-150.2004)

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