Dr. Ernst Grafenberg, who studied the female orgasm and developed the first widely used IUD, is probably best known for identifying an erotic zone on the anterior wall of the vagina that can be stimulated for pleasure- better known as the G-Spot. But did you know that not everyone agrees there is a G-spot? Dr. Cheryl Iglesia and Dr. Christine Vaccaro discuss female anatomy, the wondrous clitoral complex, and what they like to call the C-Spot.