Billy laying naked with his legs secured in the supports feeling humiliated, Dr. Jones, Gail, Tracy were down between his open legs. Dr. Jones lubricated the ultrasound wand and inserted it into Billy's rectum as all girls were watching the monitor on the machine. Billy's penis was as hard as a rock and Tracy noticed it. Billy felt the coldness of the wand inside his rectum, Dr. Jones pointed out Billy's prostate and was teaching the both med students. Billy could not hide is embarrassment as Nurse Beth was holding both his arms over his head. All he could think about was Tracy talking to her friends in the neighborhood about Billy's exam. After Dr, Jones was finished she withdrew the wand as Nurse Beth wiped Billy"s anus area. Billy was now allowed to sit up and was now told that the exam was over and Dr. Jones thanked him for helping in her prostate study. He was finally allowed to dress with all 4 women present smiling at him. He was glad it was over as he left the office. The End ……………