Medicine is changing at a speed never witnessed before in history. With each passing year, medical technology achieves the capacity to provide cures and improve treatments that even a short time before were difficult to con ceptualize and impossible to provide. Reproductive technology personifies this concept perhaps better than any other field of medicine. The 1990s have seen an explosion in endoscopic and ambulatory procedures, the application of molecular biology to clinical conditions, and the refinement of assisted reproduction to allow third parties (donors and surrogates) into the...