F2 and thrombophilia: This is complemented by other hypercoagulable factors such as increased blood lipids, increased prothrombin substances, as well as increased pelvic venous pressure, low activity and slowed venous blood flow during late pregnancy, resulting in a hypercoagulable state of the body during pregnancy, which is particularly pronounced during late pregnancy.9,10 A hypercoagulable state is mainly defined as a decrease in the body’s anticoagulant function and an increase in coagulation.