Methods Using Rerum Russell s viper venom time (RVVT) to detect LA of 40 normal pregnant women(NP) and 32 normal women as csntrols, At the same time, PT, APTT and FIB were also determined.

• 方法采用血浆蝰蛇毒时间(RVVT)测定40例正常妊娠妇女及32例非孕正常妇女的LA比值；同时检测血浆凝血酶原时间(PT)；活化部分凝血活酶时间(APTT)和纤维蛋白原(FIB)含量。结果妊娠组妇女LA比值明显高于对照组(P<0。