text: There is a small mound of tissue just over the eurethra, inside the vagina, which is sensitive to pressure. It has been speculated that this is intended to trigger the final round of contractions when a baby is delivered, because it is exactly where the baby's head presses during final labor. \n\nBut...and perhaps far more useful in the modern world...it also causes those contractions during orgasm, if it has been gently stimulated during sex. \n\nThis causes, in some women, a "push-out orgasm", far more intense than a normal one, in which the vagina contracts harder and farther than normal. \n\nThis was first documented by a doctor named Grafenberg, ergo the name "g-spot".\n\nHere's a website which covers exactly how to find and stimulate the g-spot, and other advanced sexual techniques, in great detail: