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1 Objective To understand the third trimester of pregnancy nutritional status of pregnant women to explore the pregnant women and the third trimester of pregnancy nutrition and nutrition during pregnancy and birth weight correlation of serum markers. Method randomly selected from February 2010 to January 2011 in Yiwu and Dongyang City, MCH regular check-ups, and in 423 cases of pregnant women in the third trimester (32-37 weeks of pregnancy), extract the blood of pregnant women pregnant women enrolled detection of nutrition-related serum markers, such as apolipoprotein Al (Apolipoprotein Al, ApoAl), apolipoprotein B (Apolipoprotein B, ApoB), C-peptide, glycosylated hemoglobin (glycated hemoglobin, HbA1c), high-density lipoprotein - cholesterol (High -density lipoprotein-cholesterol, HDL-CH), insulin, LDL - cholesterol (low-density lipoprotein-cholesterol, LDL-CH), lipoprotein a (Lipoprotein a, Lp a), cholesterol, triglycerides, etc. all into the group of pregnant women were followed up until delivery, according to birth weight and third trimester pregnant women divided into a group of children of low birth weight (LBW group), normal children group (NBW group) and a huge group of children (LBG group), three cases of pregnant women 12 cases, 375 cases and 36 cases. 3 results (1) by analysis of variance, LBW group, the NBW group, the the LBG group of three pregnant women with pre-pregnancy weight, maternal pre-pregnancy body mass index (BMI) and gain during pregnancy focuses on the significant difference among the three groups (gain during pregnancy weight P LT; 0.05 I P LT; 0.01), carry out pairwise comparisons (LSD method), LBW group pre-pregnancy weight was significantly lower than NBW group (P lt; 0.05), LBW group weight gain during pregnancy, pre-pregnancy BMI index and NBW group showed no significant difference (P are gt; 0.05); the LBG group pre-pregnancy weight, pre-pregnancy BMI index and pregnancy increase weight were significantly higher than the NBW group (P are lt; 0.01); growing the LBW group pre-pregnancy weight, pre-pregnancy BMI index and pregnancy weight are significantly lower than the LBG group (gain during pregnancy weight P LT; 0.05, I P are lt; 0.01). (2) by analysis of variance, each of the three groups of pregnant women daily carbohydrates, dietary fiber, VitB2, VitC, calcium, iron and folic acid intake has a significant difference among the three groups (folic acid P lt; 0.01, I, P lt; 0.05), nutrient intake of energy and more than in the three groups showed no significant difference (P are gt; 0.05) Then each of the three groups of pregnant women seven indicators of daily carbohydrates, dietary fiber, VitB2 VitC, calcium, iron, folic acid intake line pairwise comparisons (LSD method): LBW group of pregnant women per person per day carbohydrate, dietary fiber, VitB2, VitC, calcium, iron, folic acid intake and NBW group showed no significant difference (P gt; 0.05): the LBG group of pregnant women per person per day of carbohydrates, dietary of fiber, VitB2 VitC, calcium, iron, folic acid intake were significantly lower than NBW group (carbohydrates, VitB2, iron P lt; 0.05, I P are lt; 0.01); LBW group of pregnant women carbon water per person per day compound, VitC were significantly higher than the LBG group (P are lt; 0.05), LBW group of pregnant women per person per day of dietary fiber, VitB2 calcium, iron, folic acid intake and LBG group showed no significant difference ( P gt; 0.05) Through the one-sample t-test, compare all enrolled pregnant women, the third trimester energy and various nutrients intake and recommended intake (recommended nutrition intake, RNI) the difference between the group of pregnant women of all into the third trimester of pregnancy average per person per day the percentage accounted recommended intake of energy, protein, fat, carbohydrates, dietary fiber, VitB1, VitB2VitC, calcium, iron, zinc and folic acid intake were 76.21%, 94.84%, 139.2%, 46.51%, 68.40% , 77.33%, 134.7%, 82.59%, 63.35%, 65.29%, 95.76% and 44.69% (in addition to protein and zinc P gt; 0.05, I P LT; 0.01) Were compared three groups of pregnant women, the third trimester of carbohydrates per capita per day, the difference between the seven nutrients of the dietary fiber, VitB2, VitC, calcium, iron, folic acid intake and RNI LBW group, the NBW group and LBG three groups of pregnant women third trimester capita daily carbohydrate intake accounted for the percentage of RNI for 51.52%, 46.96% and 40.10% (P are lt; 0.01); three groups of pregnant women in the third trimester average per capita daily dietary fiber intake into account for RNI percentage to 62.80%, 70.33% and 49.87% (P are lt; 0.01): three groups of pregnant women in the third trimester average per capita daily intake of VitB2 accounted the RNI percentage was 105.3% 138.8% 102.4% (the NBW group of P lt; 0.01, I P are gt; 0.05); three groups of pregnant women in the third trimester of pregnancy per capita daily intake of VitC accounted for RNI% to 101.00%, 83.94%, 62.37% (LBW group P GT; 0.05 the third trimester average of the three groups of pregnant women, more than P LT; 0.01); percentage of the three groups of pregnant women in the third trimester of pregnancy an average daily calcium intake accounted for RNI were 52.36%, 65.09%, 48.96% (P are lt; 0.01); per person daily iron intake accounted for the RNI percentage was 64.34%, 66.49% and 53.31% (P are lt; 0.01): three groups of pregnant women in the third trimester of pregnancy per capita daily intake of folic acid accounted for RNI percentage were 42.84% , 45.75%, 34.27% (P LT; 0.01), respectively. Daily meals outside additional calcium pregnant women accounted for 92.91%, while the additional multivitamin preparations, iron, folic acid and zinc in pregnant women accounted for 28.84%, 36.64%, 43.50%, 7.33%, respectively. With a one-sample t-test to compare all enrolled pregnant women carbohydrate, protein, fat production capacity accounted for the composition ratio of the energy difference between the three major nutrients recommended constituent ratio, carbohydrates, protein, fat production capacity accounted for the composition ratio of the energy to 39.66 ± 11.65%, 17.99 ± 3.61%, 42.99 ± 10.68%, wherein the carbohydrate accounts for the energy of the constituent ratio was significantly lower than the recommended constituting ratio (P lt; 0.01), protein, fat production attributable to the energy of the constituent ratio was significantly higher than the recommended constituting ratio ( P LT; 0.01) Further compare the three groups of pregnant women, the third trimester of the three major nutrients capacity share of the energy structure than the differences between the three major nutrients recommended constituent ratio, the results are basically consistent with the above results. (3) by the variance analysis, of pregnant women, blood ApoAl, ApoB, C-peptide, HbAlc, LDL-CH. Lp a cholesterol 7 indicators among the three groups have significant difference (HbAlc and Lp a P lt; 0.05, I P are lt ; 0.01), HDL-CH, insulin, triglycerides, fasting blood glucose four blood indicators there was no significant difference among the three groups (P gt; 0.05), the LSD method pairwise comparison, LBW group of pregnant women pregnant late the blood ApoAl significantly higher than the NBW group (P lt; 0.01), more than nutrition-related serum markers between LBW group NBW group were significant differences (P are gt; 0.05); the LBG group of pregnant women, the third trimester blood ApoAl, LDL-CH, cholesterol was significantly lower than the NBW group (blood ApoAl P lt; 0.05 I P are lt; 0.01), the LBG group of pregnant women, the third trimester of pregnancy blood HbAlc, ApoB, C-peptide, Lp a was significantly higher than the NBW group (P lt; 0.05); the LBG group of pregnant women in third trimester blood ApoA1 cholesterol, LDL-CH were significantly lower than the LBW group (LDL-CH P lt; 0.05, I P are lt; 0.01), the LBG group of pregnant women, the third trimester of pregnancy the blood ApoBC skin, HbA1c, Lp a LBW group (HbA1c P lt; 0.05, I P are lt; 0.01) were significantly higher than (4) application of Pearson simple correlation analysis found: pre-pregnancy weight, pre-pregnancy BMI index, pregnancy weight gain, and pregnant women, the third trimester blood ApoB, C peptide, HbAlc and birth weight was positively correlated (r = 0.288,0.240,0.194,0.210,0.165,0.165 ; Lt; 0.01), while the the pregnant women the third trimester VitC intake, and pregnant women the third trimester blood ApoAl, LDL-CH, cholesterol and birth weight was negatively correlated (r = -0.148, -0.133, -0.176, P lt ; 0.01), more than nutrition-related indicators and birth weight had no significant linear correlation (P are gt; 0.05) Conclusion (1) into the group of pregnant women in the third trimester energy intake is low, and the three major nutrients structural imbalance, wherein the carbohydrate intake is significantly lower, significantly higher fat intake, protein intake is still in the normal range; routine third trimester pregnant women were significantly less than VitBl, VitC, calcium, iron, folic acid intake; (2) the third trimester blood of pregnant women ApoB. C-peptide. HbA1c positively correlated with birth weight was, pregnant women, the third trimester blood of ApoA1 of LDL-CH, cholesterol and birth weight was negatively correlated; (3) the third trimester pregnant women the VITC intake per person per day is lower than 102.98mg / d will increase the risk of huge children; (4) pregnant women, the third trimester of pregnancy blood ApoAl (?) is less than 2.02 g / L, or serum C-peptide than 1.03μg / L, or by HbAlc than 5.66% can be used as early warning indicators of the great children.
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