To download FREE medical animations of pregnancy and birth, visit http://www.prenateperl.com/yt2012 This 3D medical animation shows human fertilization, also known as conception. Fertilization is the epic story of a single sperm facing incredible odds to unite with an egg and form a new human life. The sperm's journey is visualized with rich detail and narrative to convey a fresh understanding of a classic physiological tale. This medical animation portrays the process of human fertilization. Shown at a cellular level magnification, sperm struggle through many obstacles in the female reproductive tract to reach the egg. Visualized at the molecular level, genetic material from the egg and a single sperm combines to form a new human being.