Both fallopian tubes can be removed laparoscopically as a surgical method for sterilization. By removing both fallopian tubes there is no risk of future pregnancy as fertilization occurs in the fallopian tubes and the embryo implants itself into the uterus several days later. Medical studies have also shown there may be a decreased lifetime risk of ovarian cancer by removing both fallopian tubes as some ovarian cancers are believed to start in the fallopian tubes. Bilateral Salpingectomies has become a common and popular surgical to sterilization.