Some researchers reckon it’s less to do with how turned on we are and more to do with the location of our clitoris - specifically, how far it is from the vagina and urethral opening. This theory isn’t anything new, btw. In fact, it dates back to the 1920’s when Princess Marie Bonaparte (aka, Napoleon’s psychoanalyst great-grandniece) started investigating her own anatomy and comparing it to her patients in the hopes it would finally help her climax. She found that those with a distance less than 2.5 centimetres (around the same length from the tip of the thumb to the first knuckle) between their clit and vagina, orgasmed often during P-in-V sex. She called this revelation the ‘rule of thumb.’
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Then, in 1940 a group of researchers conducted a study that suggested that it was actually a shorter distance between the vagina (C-V) and urethral opening (CUMD) that mattered most. “On the physical side, orgasm capacity is related to clitoris-meatus distance,” they said of the findings.
In 2011, Kim Wallen and Elisabeth Lloyd reignited this debate by looking at the research with modern statistical techniques. They established that both sets of data “demonstrate a strong inverse relationship between CUMD and orgasm during intercourse.” Why? Because the clitoris naturally gets more stimulation during sex when its closer to the urethral opening.
The great news is there’s an easy way to replicate a shorter CUMD. Simply rub your clit with your fingers OR invest in a vibrator to do the job for you. Simples.
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