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What Is Normal Penis Size? Related Links Foods That Help You Maintain Your Erection Snoring--The Connection to Erectile Dysfunction Fatty Diet Raises Your Risk of Prostate Cancer What You Eat Can Make You Bald Low Folate Harms Sperm Penis Shaving Bumps?-Here Are Home Remedies Best Way to Clean Your Penis Bad Bed Habits How to Up Your Game With Women Yoga That Improves Erectile Performance Fat Loss for Idiots Most men at some point want to know whether they have an average size penis. How big is a normal penis? Once and for all, we took a look at the actual scientific studies on the issue. Most men underestimate the size of their penis for one simple reason--they measure it looking down. Second, to get the most accurate measurements for a penis size, you have to take several measurements at different times, preferably with different erections on different days. Then average these figures together. Why? Your penis changes size. It is bigger when your arousal is bigger. It is bigger when the temperature of the room is warmer. It is bigger , for some men, in the mornings. So, taking measurements at different times of the day helps too account for what may be natural variability in size of your penis due to factors such as arousal level, time of day, room temperature, and frequency of sexual activity, and unreliability of the methods you use to measure your penis. Article Continues Below Length The length of your penis can be measured with the subject standing and the penis held parallel to the floor. The penis is measured along the top, from the base to the tip. Results are inaccurate if the measurement is taken along the underside of the penis, or if the subject is seated or prone. Thickness--Circumference Long penis, no width makes for a pencil dick. Penis girth is the measurement of the circumference of the completely erect penis. It is variously quoted as an average of three measurements: just below the glans penis, in the middle of the shaft, and at the base.[2] Problems A penis must be completely erect in order to obtain an accurate measurement. This may be difficult to achieve in a clinical setting. At least one Brazilian doctor resorted to injecting penises with drugs to induce erection, which gave more consistent results.[4] Some clinicians measure the penis by stretching the flaccid penis as far as comfortably possible. Self-reported measurements tend to be unreliable because men often want to report a larger penis size. The Bottom Line From Studies on Penis Size How big is an average penis? While results vary across studies, the consensus is that the average human penis is approximately 5.1 to 5.9 inches (12.9–15 cm for you Europeans) in length. How thick is an average penis? The average thickness is 4.85 inches around (12.3 cm) when fully erect. Size at birth The average stretched penile length (ouch!) at birth is about 1.6 inches (4 cm), and 90% of newborn boys will be between 0.9 and 2.2 inches (2.4 and 5.5 cm). Limited growth of the penis occurs between birth and 5 years of age, but very little occurs between 5 years and the onset of puberty. The average size at the beginning of puberty is 2.4 inches (6 cm) with adult size reached about 5 years later, around age 17. Size with aging The good news is that your penis does not shrink with age. “Individual research studies have ... suggested that penis size is smaller in studies focusing on older men, but Wylie and Eardley found no overall differences when they collated the results of various studies [over a 60 year period].”[9] Erect length Several scientific studies have been performed on the erect length of the adult penis. Studies which have relied on self-measurement, including those from Internet surveys, consistently reported a higher average length than those which used medical or scientific methods to obtain measurements . The following staff-measured studies are each composed of different subgroups of the human population (i.e. specific age range and/or race; selection of those with sexual medical concerns or self selection) which may meet the definition of possible sample bias. For the Scientific Types Here Is a Summary of the Studies A study published in the September 1996 Journal of Urology concluded that average erect length was 12.9 cm (5.08 in) (measured by staff).[5] The purpose of the study was to “provide guidelines of penile length and circumference to assist in counseling patients considering penile augmentation.” Erection was pharmacologically induced in 80 physically normal American men (varying ethnicity, average age 54). It was concluded: “Neither patient age nor size of the flaccid penis accurately predicted erectile length.” A study published in the December 2000 International Journal of Impotence Research found that average erect penis length was 13.6 cm (5.35 in) (measured by staff). Quote: "The aim of this prospective study was to identify clinical and engineering parameters of the flaccid penis for prediction of penile size during erection." Erection was pharmacologically induced in 50 Jewish Caucasian patients who had been evaluated for Erectile dysfunction (average age 47±14y). Patients with penis abnormalities or whose ED could be attributed to more than one psychological origin were omitted from the study. A study conducted by LifeStyles Condoms found an average of 14.9 cm (5.9 in) with a standard deviation of 2.1 cm (0.8 in) (measured by staff).The purpose of this study was to ensure properly sized condoms were available. 401 college students volunteered to be measured during 2001 Spring Break in Cancún, Mexico, of which 300 gained an erection to be clinically measured (without pharmacological aid). The 300 effective measurements makes this study double the size of any prior study that uses medical staff to measure penis size. Erect circumference A study conducted by LifeStyles Condoms during 2001 Spring Break in Cancún found an average of 12.6 cm (5.0 in) with a standard deviation of 1.3 cm (0.5 in). Similar results exist regarding studies of the circumference of the adult fully erect penis, with the measurement taken mid-shaft. As with length, studies that relied on self-measurement consistently reported a higher average than those with staff measuring. Flaccid length One study found the mean flaccid penis length to be 3.5 inches measured by staff). Length of the flaccid penis does not necessarily correspond to length of the erect penis; some smaller flaccid penises can grow much larger, and some larger flaccid penises cannot grow much larger. The penis and scrotum can contract involuntarily in reaction to cold temperatures or nervousness, referred to by the slang term "shrinkage", due to action by the cremaster muscle. Want Access to More Articles Like This One?-Register - It's Free and Easy. Our "Members Only" Area Gets First Look at Articles, Reviews of and links to free adult sites. Related Links Good Night's Sleep Helps You Lose Weight Snoring --The Connection to Erectile Dysfunction The Add-Muscle Diet Foods That Strengthen Erections Your Diet Can Cause Baldness Six Pack Abs-Step by Step |
