The G-Spot was first discovered by Ernst Grafenberg, a German gynecologist, while performing research on urethral stimulation. This area was named after the doctor in a 1981 study on female ejaculation.
Using ultrasonography, researchers at the University of L'Aquila found that women who are able to have vaginal orgasms typically have thicker tissue in the front of the vaginal wall, allowing scientists to confirm whether or not a woman has a G-Spot.
The G-Spot is believed to be a bean-shaped area with spongy tissue of the paraurethral gland, which is similar to the male prostate. Composed of erectile tissue, this area swells when blood rushes to it during arousal. While the G-Spot is smaller than a quarter, it feels rougher than the tissue surrounding it.
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To find your G-Spot, you or your partner should insert a finger into your vagina and feel along your front wall (facing your stomach) with your finger slightly crooked. If you feel a rough or ridged area, chances are that you have found your G-Spot.
Achieving a G-Spot orgasm can be difficult, especially in the missionary position (unless a pillow or wedge is used). Many sexperts recommend the woman-on-top or doggy style positions if you want to obtain a G-Spot orgasm.