| Methods | Randomized parallel controlled trial. |
| Participants | Patients with gynecologic malignancy diagnosis undergoing surgery. |
| Interventions | Graduated compression stocking and/or intermittent pneumatic compression and/or LMWH. |
| Outcomes | Ultrasound diagnosis of VTE. |
| Notes | Duration of LMWH duration not specified in protocol. Date of trial registration 30 October 2015. Each of 4 arms of trial anticipate 250 patients enrolled. Study contact zhangzhenyu@coga.org.cn, telephone +86 13801237287 |
LMWH: low molecular weight heparin; VTE: venous thromboembolism.