The Gynecological Cancer Associated Thrombosis (GynCAT) Study

This study is tracking blood clot (thrombosis) risk in women with gynecologic cancers (ovarian, uterine, cervical, vaginal, or vulvar) who are starting a new round of cancer treatment, to better understand and predict clotting events. **You may be eligible if...** - You are female and have been diagnosed with a gynecologic cancer (ovarian, fallopian tube, uterine, cervical, vaginal, or vulvar) - You are starting a new line of cancer treatment - You are 18 years or older **You may NOT be eligible if...** - You are pregnant or breastfeeding - You already need blood thinners at a full therapeutic dose (e.g., for atrial fibrillation or a mechanical heart valve) - You have already been diagnosed with a symptomatic blood clot at the time of enrollment Talk to your doctor to see if this trial is right for you.