[Follow-up study on diet, folic acid and iron status in 358 cases of Uighur pregnant women from Xinjiang Kashi].

OBJECTIVE

To understand the dietary intake situation of Uighur pregnant women, investigate folic acid level and its influencing factors, to provide evidence for health education of maternal nutrition and implementation of proper nutrition, balanceddiet guidance.

METHODS

358 cases of Uighur trimester pregnant women for the study, took the method of 3 d 24 h dietary recall to survey their dietary and collect blood samples. The Hb was detected by the cyanide methemoglobinmethod. The content of folic acid was determined by a double antibody biotin sandwich enzyme-linked immunosorbent assay( ELISA) method. The data processing used V2. 7. 13 nutrition calculator software, and compare with "DRIs"in 2013.

RESULTS

Diet composition and nutrient intake: Grains, livestock, poultry, fats and oils intake almost reached the standards, vegetables, fruits, eggs, milk and beans intake were below standards, the intake of fish and shrimp were( 0. 18 ± 3. 95) g, high salt intake( 9. 03 ± 3. 97). In early pregnancy, energy( 101. 19%), protein( 107. 87%), calcium( 32. 48%), iron( 195. 30%), zinc( 106. 63%), selenium( 55. 77%), iodine( 15. 54%), vitamin B1( 87. 50%) vitamin B2( 60. 00%), vitamin C( 65. 69%), folic acid( 13. 21%). The late pregnant energy( 84. 29%), protein( 72. 44%), calcium( 27. 77%), iron( 180. 38%), zinc( 121. 16%), selenium( 53. 11%), iodine( 11. 26%), vitamin B1( 75. 33%), vitamin B2( 49. 33%), vitamin C( 57. 37%), folic acid( 13. 15%). The total detection rate of anemia in pregnant women was 18. 89%, mean of Hb was( 119. 42 ± 13. 90) g/L. Comparison of Hb levels( P < 0. 05) and anemia detection rate( P < 0. 05) in the early and late pregnant women, the difference was significant; total lack of folic acid detection rate was 75. 42%, the average folate levels( 9. 15 ± 4. 22) nmol/L, compare folate levels( P < 0. 05) and folate deficiency detection rate( P < 0. 05) in early and late pregnant women, the difference was significant.

CONCLUSION

The dietary structure of pregnant women is less irrational. The intake of fruits and vegetables are inadequate and the intake of fish and shrimp is serious lack. The intake of salt is high. The proportion of three heat nutrients are in a suitable ratio range. The energy and protein intake are below the DRIs in the late pregnant, iron and zinc intake are high. The selenium, vitamin B2 and C intake are inadequate, a serious lack of calcium, iodine and folic acid in whole pregnancy. The anemia in late pregnant is more serious than early pregnant, during pregnancy folate level is low and late pregnant is lower than early.