I'm 21 years old and concerned about the size of my penis. It's less than 4 inches when erect, and I'm wondering if there's any possibility for it to grow more naturally in the future or if I should consider surgery. Should I wait for natural growth or is there something I can do now?
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