5.1) g/L， (2.02±0.04) mmol/L， (0.91±0.03) mmol/L， (8.9±1.3) μmol/L and (104.0±6.4) g/L， and the difference was statistically significant (P<0.05). Multivariate Logistic regression analysis showed that premature rupture of membranes， premature delivery， low birth weight fetus and postpartum hemorrhage were the risk factors of adverse pregnancy outcome (P<0.05). Spearman correlation analysis showed that partial eclipse behavior was positively correlated with anemia in the third trimester (r=0.704 ......