<qa>  What is the pressure set from 6 to 15 mm of mercury to obtain an adequate working spaceSTUDY PROCEDURE At surgery, the patient will be placed in the dorsal lithotomy position. Sterile prep and drape of the anterior abdominal wall, perineum, and vagina will be obtained.. A 7-8 mm umbilical skin incision will be made. Using standard techniques, a Veress insufflation needle will be placed at the umbilicus to establish pneumoperitoneum. A 5 mm laparoscopic port will then be placed at the umbilicus. Pressure will be set from 6 to 15 mm of mercury to obtain an adequate working space. 