I'm 21 and pretty worried about my penis size. It's under 4 inches when erect, and that seems smaller than average. I'm really curious if there's still a chance it might grow naturally in the coming years, or if I should start thinking about surgical options soon. Would appreciate any advice on this.
At 21, your penis size is likely fully developed, with minimal chances of natural growth; research suggests that penis growth typically ends by age 18-20, with some variations; surgical options, like penile lengthening or girth enhancement, are available but carry risks and complication