A-Spot
✎ 本文編集 (admin) 🖼 画像編集 (admin)The A-spot is an erogenous zone said to exist deep in the anterior wall of the vagina, in front of the cervix and near the deepest part of the canal. It is known formally by the abbreviation of the anterior fornix erogenous zone, the AFE zone. Its distinguishing feature is that it lies deeper than the G-spot.
Origin of the concept
Systematic discussion of the A-spot was reported in the 1990s by a research group in Kuala Lumpur (led by the physician Chua Chee Ann). The work began from the observation that stimulation of the anterior fornix in women with sexual dysfunction increased lubrication and heightened arousal; the reports stated that A-spot stimulation increased vaginal secretion and produced orgasmic response in a majority of subjects.
The anatomical reality, neural pathway, and reproducibility of the A-spot have, however, seen little confirmation by independent research, and, as with the G-spot, the question of whether it exists as a discrete structure remains open.
Location
The A-spot is said to lie on the anterior vaginal wall, deeper than the G-spot, just in front of the cervix near the anterior fornix. Reaching it with a finger requires a depth well beyond the vaginal opening, just short of touching the cervix. During intercourse, positions that allow deep penetration (rear-entry and forward-leaning postures) are said to make stimulation possible. Where the G-spot is described as roughly five to seven centimetres from the opening, the A-spot is often described as a further three to five centimetres beyond it.
Comparison with the G-spot
Because the two lie close together they are sometimes confused, but they are distinguished by location. The G-spot is on the anterior wall relatively near the opening, slightly textured to the touch, and in some women associated with strong sensation and squirting. The A-spot is deeper on the same wall, in front of the cervix, and is reported to trigger rapid, copious lubrication on stimulation. Many practitioners do not strongly distinguish the two and treat them together as “anterior-wall stimulation.”
Current anatomical work, notably O’Connell’s studies of the clitoris, shows that the clitoris extends internally as a large structure surrounding the anterior vaginal wall. On this view, the sensation produced by deep anterior-wall stimulation may be explained as indirect stimulation of these internal clitoral structures rather than of a separate organ.
Stimulation methods
Practical approaches include using a long, flat finger (inserting the middle or ring finger deeply and lifting against the anterior wall) or a curved vibrator designed for A-spot stimulation. During intercourse, positions allowing deep penetration are said to be effective, with rear-entry and forward-leaning cowgirl easing access to the area near the cervix. Because strong penetration can also deliver direct impact to the cervix (cervical pain), stimulation should stop if pain arises.
See also
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References
- 『The clitoris and its relationship to the female orgasm』 Journal of Urology (2005)
- 『Human Sexual Response』 Little, Brown and Company (1966)
- 『The Case of the Female Orgasm: Bias in the Science of Evolution』 Harvard University Press (2005)
Also known as
- anterior fornix erogenous zone
- AFE zone
- ja: Aスポット
- ja: 前膣蓋部