Volume calculations assumes errbody got a perfectly cylindrical dick. These percentiles are reported assuming that penis length and girth are distributed normally with the following parameters: Hungfun's clinical averages Herbenick et al, Length in inches: mean sd 5. Hungfun's chart culls data only from studies utilizing clinical measurements. Herbenick's study uses self-reported measurements for the purposes of condom sizing. According to Herbenick, the study participants had a vested interest in correctly measuring in order to obtain a custom fit condom.
Why do certain ethnicity groups have bigger penis than others? | Yahoo Answers
When it comes to penises, length matters more to men than to women, according to a new study that reviews more than 60 years of research and debunks numerous sex myths. About 90 percent of women actually prefer a wide penis to a long one, according to two studies included in the review. Eighty-five percent of women reported being satisfied with their partner's penis size, compared to only 55 percent for men. The review, conducted by Drs. Drawing upon the results of 12 relevant studies, the review, detailed in the British Journal of Urology BJU International , finds that the average erect penis is about 5. Penis myths The findings also deflate a few other myths about male genitalia. The notion that penis size varies according to race, for example, is false.
The dimensions and shape of human vagina are of great importance in medicine and surgery ; there appears to be no one way, however, to characterize the vagina 's size and shape. There are a number of studies that have been done into the dimensions of the human vagina, but it has not been as intensively researched as penis size. A study by Pendergrass et al.
All rights reserved. Bigger is better—at least when it comes to a woman's penis preferences, a new study says. The findings suggest that female choice may have driven the evolution of larger penises in humans. Past psychology studies that have asked women about their preferences for penis size have produced mixed opinions, with some saying they don't care about the size, while others say they prefer larger penises.