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目的：分析产前相关凝血指标情况，探讨这些指标为预防产后出血提供指导依据。方法选择从2011年5月-2012年6月于医院分娩的156例孕妇作为试验组，另选取同一时间于医院体检的100例正常非妊娠妇女作为对照组，2组人群均在空腹状态下抽血检查凝血功能相关指标，对比分析检查结果。结果试验组与对照组血PLT及TT均无明显统计学差异（P﹥0.05），但试验组血 APTT、PT、FIB、D-D与对照组相比，均有统计学差异（P﹤0.05）。结论产前进行PLT、PT、TT、APTT、FIB、D-D等相关凝血指标的检测，对了解孕妇产前凝血情况，预防产妇产后异常出血、产程异常和产后大出血等具有重要的临床意义。“,”Objective To analyze the associated coagulation indexes in prenatal and then discuss these indicators to provide guidance for the prevention of postpartum hemorrhage. Methods 156 cases of pregnant women giving birth were se-lected from May 2011 to June 2012 in our hospital as experimental group,and the other 100 healthy non-pregnant women were selected at the same time in our hospital for examination as control group. Both groups were in the fasting state,for blood to test the relevant indexes of blood coagulation function,and then compared the results. Results The blood PLT and TT of experi-mental group and control group were not statistically significant difference(P﹥0. 05),but compared to the control group,the blood APTT,PT,FIB,DD in the experimental group were statistically significant(P﹤0. 05). Conclusions Prenatal detection of PLT,PT,TT,APTT,FIB,DD and other related coagulation indicators has important clinical significance for understanding of prenatal blood coagulation function,preventing postpartum abnormal bleeding,abnormal labor and postpartum hemorrhage.