Turn, turn, turn.

Twenty years have passed since the publication in these pages of the oft-quoted editorial "The leader of the band is tired." At that time, the passing was mourned of the era of laparotomy for reconstructive pelvic surgery and the arrival of the laparoscope was heralded. Another transformation has occurred. Just as laparoscopy replaced laparotomy, all traditional treatments for infertility are being rendered obsolete by advanced reproductive technologies.