摘要 : Background: Due to the normal physiological need of pregnancy and childbirth, the haemostatic system of pregnant women is different from that of healthy non-pregnant women. The aim of this study was to establish trimester-specific... 展开 Background: Due to the normal physiological need of pregnancy and childbirth, the haemostatic system of pregnant women is different from that of healthy non-pregnant women. The aim of this study was to establish trimester-specific reference intervals of coagulation screening tests and thrombophilia markers in pregnancies without complications of females with Han ethnicity from North China. 收起