Ovulation is the monthly process whereby the ovary releases an egg into the fallopian tube through which it travels to the uterus for fertilization. Initially, the egg is contained in a spherical mass of cells called the follicles. For the egg to be release the ovary has to burst and in each case, a new cell has to fill in that point of rapture in the epithelium. Current theory holds that, the more times a woman ovulates during her lifetime, the more chances there are that a cell undergo genetic damage that sets the cancer process in position