The cilia within the tube, and muscular contractions resulting from the movement of the egg, create a forward motion.
Female Reproductive System
The sperm binds through the corona radiataa layer of follicle cells on the outside of the secondary oocyte. We encourage you to discuss with your doctor any questions or concerns you may have. During the follicular phase of the menstrual cycle, the following events occur:. On average, only a few of the billions of sperm released during the reproductive life of a human male will manage to fertilize an egg 2. Advertising on our site helps support our mission. Contact between the egg and sperm is random.