LONDON, ENGLAND - FEBRUARY 2003: A sperm fertilizes an egg under a microscope using ICSI (Intra Cytoplasmic Sperm Injection) as part of IVF treatment at the private Lister Hospital. One needle holds the egg in position while the other needle injects a single sperm into the egg to fertilize it. The technique is used for male infertility. (Photo by Tina Stallard/Getty Images)
