St. Lukes Hospital in Chesterfield, Mo is where Dr. Sherman Silber, a fertility specialist, performed the first live transplant in the United States of a woman's ovary from one to another on April 21, 2004. Silber, director of the Infertility Center at St. Luke's removed an ovary from an Alabama woman and transplanted it in the woman's identical twin. The sisters are Melanie Morgan and Stephanie Yerber both 24. The operation is first in the United States. (UPI Photo/Bill Greenblatt)