Doctor insights on:
Average penis size: Size varies considerably, especially flaccid length which varies with temperature. Caucasian men average length 3.5 inches flaccid & 5.4 inches erect Circumference flaccid 3.6 inches & 4.5 inches erect. My clinical experience has been that African Americans & Afro-Carribeans on average have larger penises than Caucasians & Asians have smaller ones. Journal of Sexual Medicine Vol 11, pgs 93-101 ...Read more
I'm 24 years old, 66 inches tall and 186lbs. Have a very small penis. 2inches flacid and maybe 4.5 on erection. Its thin too. Urologist or endocrine?
Endocrinologist or..: An endocrinologist, a pediatric endocrinologist, or an adolescent medicine doctor all have experience with the normal development of boys to men. One concern is whether or not there is low sex hormones. But sometimes, a smaller penis is normal or may run in the family. If all else in life is normal, including sexual function, then a 4.5 inch penis should still work fine. ...Read more
Flaccid Penis: This measurement is one that is not consistent in one man, let alone across a population. It varies based upon temperature, sexual activity, and a variety of other things. ...Read more
Some penises equal: In size when erect "shrink" more when flaccid. This means more blood drains form the smaller flaccid penis than from the penis that remains larger when flaccid if both were same size when erect. Similar to why two people of same hight and weight will run at different top speeds. ...Read more
No: The process of erection involves the engorgement of the penis with blood but does not change the structural elemens of the penis. So while of course, the penis enlarges with erection, afterwards it is back to the normal state and repeated erections will not produce permanent basic enlargement. ...Read moreSee 1 more doctor answer