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Sex: Fact and Fiction

What’s the average penis size? How fast is premature ejaculation? Exactly where is the G-spot? Grab a ruler and a stopwatch as the experts sort sex myths from the facts.

Just the Facts on the G-Spot continued...

"The G-spot exists," says Seth Prosterman. "It's a source of powerful orgasm for a percentage of women."

"I don't think the G-spot exists," says Ira Sharlip. "As urologists, we operate in that area [where the G-spot should be] and there just isn't anything there -- there's no anatomical structure that's there."

Prosterman and others point out the importance of thinking of the G-spot in context -- that it may be an extension of the clitoral anatomy, which extends back into the vaginal canal. Kerner writes that the G-spot may be "nothing more than the roots of the clitoris crisscrossing the urethral sponge."

Helen O'Connell, MD, head of the neurourology and continence unit at the Royal Melbourne Hospital Department of Urology in Australia, says, "The G-spot has a lot in common with Freud's idea of vaginal orgasms. It is a sexual concept, this time anatomical, that results in confusion and has resulted in the misconception that female sexuality is extremely complex."

In the end, whether this debated locus of pleasure is fact or fiction may not matter that much. O'Connell, who is also co-author of a 2005 Journal of Urology study on the anatomy of the clitoris, says that focusing on the G-spot to the exclusion of the rest of a woman's body is "a bit like stimulating a guy's testicles without touching the penis and expecting an orgasm to occur just because love is present." She says focusing on the inside of the vagina to the exclusion of the clitoris is "unlikely to bring about orgasm. It is best to think of the clitoris, urethra, and vagina as one unit because they are intimately related."

How Long, Part 2: How Premature Is Premature Ejaculation?

The possibilities for exploring a woman's erogenous zones may be tremendously exciting -- which leads to another source of sex myth and male anxiety: How long can I last? And how long should I be able to last?

Premature ejaculation is "the most common form of sexual dysfunction in younger men" according to Ira Sharlip, and its prevalence is around 20% to 30% in men of all ages.

The medical method of determining premature ejaculation is called "intravaginal ejaculatory latency time" (IELT), a stopwatch-timed duration measured from the beginning of vaginal penetration until ejaculation occurs. However, Sharlip adds, this quantitative measure doesn't tell the whole story: "There are men who ejaculate within a minute but say that they don't have premature ejaculation. And then on other end of spectrum, there are patients who are able to last for 20 minutes, and they say they do have premature ejaculation."

In other words, the definition of "premature" may be largely in the eye (or mind) of the beholder, and depends on a man's sexual satisfaction and his perception of his ability to control when ejaculation occurs.

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