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For the last
50 years, modern science has generally accepted first Kinsey's
and then Masters and Johnson's premise that the clitoris alone was
responsible for triggering female orgasm. They saw the creation of
an "orgasmic platform" that underwent a build-up of muscle tension
and sexual energy that was then released during orgasm."2
However, in 1981, Perry
and Whipple, two of the co-authors of the book, The G-Spot and
Other Recent Discoveries About Human Sexuality, presented a
theory of a second form of orgasm. This "uterine" orgasm "included
the Grafenber G-Spot (presumed to be the female prostate) as its
major source of stimulation . . ."3
Singer and Singer then
went on, in 1978, to describe a blended orgasm which "combines elements
of the previous two kinds . . . characterized by contractions of
the orgasmic platform, but the orgasm is subjectively regarded as
deeper than a vulval orgasm."4
Now there is new evidence
from urology textbooks that heightened stimulation during sensual
arousal can indeed create an involuntary opening of the bladder
sphincter. This involuntary opening can occur from stimulation of
either the clitoris, or from stimulation of the pelvic
nerve through the upper wall of the vagina, or from
both simultaneously.5 Stimulation of the urethral
glands can be accomplished either by manual stimulation or intercourse,
utilizing a correct angle of penetration. Stimulation of the G Crest
of some women can also be produced by pressing downward from the
outside of the body, slightly above the pubic bone. Other studies
indicated that "stimulation of the anterior vaginal wall is clearly
not a prerequisite to ejaculation, although the data suggest it
may be facilitated by this type of stimulation."6
All of this highlights
how subjective and personal a woman's experience of orgasm can be.
There is much yet to learn about the intricacies of female orgasm,
including the emotional and intellectual components. The
experience of orgasm for many women is a continuum of experience,
not one way or another, correct or incorrect. There can be a blending
of different types of orgasmic experiences that are unique to the
individual.7 This point was made over and over in the
comments of the female subjects in my study. One woman participant
indicated that she had categorized and kept notes on 126 different
types of orgasm to date and she is constantly finding new and more
subtle variations.
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