It also may be difficult for participants to accurately remember or know where and how they were stimulated to cause orgasm 5. And 10 to 15 percent never climax under any circumstances. The type of clitoral stimulation preferred varied among the women in the study, though many women reported enjoying direct clitoral stimulation and stimulation that involved making circles or up-and-down movement 6. It has been argued that the G-spot is actually a retracted or enlarged clitoris, or is a set of nerve endings attached to the clitoris 5, Wallen said understanding more about a woman's anatomy might enhance her sex life.
He wants to determine if a woman's ability to have an orgasm with penile stimulation alone depends on how far her clitoris lies from her vagina -- the so-called "C-V distance.
Researching orgasm: How many types of female orgasms are there, really?
Instead of asking, "Do you have orgasm during intercourse? Michelle Obama's memoir 'Becoming' the bestselling book of The Internet is rife with non-orgasmic women who say they are missing out, and statistics suggest that they are a significant group. Because these surveys were anonymous, Wallen and Lloyd will now re-administer the questions to a new group of women. Similar to studying mood or pain, orgasm needs to be interpreted through not just biological mechanisms but also psychological, sociological and historical trends. These emails explain why.