Some studies have shown a possible link between the use of medications which stimulate the ovaries to certain forms of ovarian cancer. However, these results are considered preliminary and were based on a very small population. More recent studies have refuted these results, but more research needs to be done. Most experts recommend that patients use these medications for the minimum amount of time possible. It is recommended that all IVF patients receive regular pelvic exams and report any abnormalities to their doctor immediately, no matter what medications are used. You should discuss any concerns about cancer risks with your doctor. months.