So what is the truth? Here are some key points about the average penis size. The research to determine average penis size includes a.
Worried about your penis size? Relax, you're not alone. At some point, just about every guy has wondered how their penis stacks up compared to the average.
Human penises vary in size on a number of measures, including length and circumference . The average stretched penile length at birth is about 4 cm ( in), and 90% of newborn boys will be between and cm ( and in).