Result: Prevalence of VTE in patients Gynecological surgeons accounted for 3.9%; 43.5% of study subjects showed symptoms, in which, leg pain [calf / Homan (+)] had the highest rate (39.1%); The most common time of thrombosis occurs within the first 1 - 5 days after surgery (60.9%); The slipper vein is the vein with the most thrombosis (69.6%) and mainly new thrombosis (86.9%); the proportion of patients with high levels of D-Dimer and CRP after surgery (95.7 in both indexes).