An Analysis Into the Cause and Preventional Method of Thromboembolic Disease in Gynecological Surgery

Inclusion Criteria: 1. Volunteer to participate in the study with informed consent; 2. Females aged 20-80 who are confirmed with some gynecological diseases and are treated with surgery but embolism happens unfortunately. Exclusion Criteria: 1. Pregnancy, lactation, postmenopause, or planned pregnancy within two years; 2. Patients with blood diseases prone to thrombosis and those with a history of thrombus were excluded; 3. History of hyperparathyroidism, infectious diseases (tuberculosis, AIDS), autoimmune diseases, or digestive system diseases (malabsorption, crohn disease and dysentery); 4. Other diseases or heavy injuries that will interfere with the results; 5. Simultaneous participation in another clinical study with investigational medicinal product(s) or researcher thinks the subjects are not suitable for this trial.