Ask the Doctor: I am 25 years old but my penis is still small. Why?

One’s penis is largely determined by what he inherits from his parents.

What you need to know:

Ask the Doctor: You asked and Dr Vincent Karuhanga is here to respond to all your questions.

I am 25 years old but my penis is still small. Why?
Enoch

Dear Enoch,
Many men though may have a penis of normal size complain that their penis is too small. The complaint is usually due to comparisons with penises of peers and the fact that they are worried about their ability to have a meaningful sex life.
One’s penis is largely determined by what he inherits from his parents. The best measurement of the penis is from the lowest portion of the abdomen, just above the base of the penis, to the tip of the penis which may be difficult to measure let alone measure the sizes of those we are comparing to. Looking at the penis in the mirror however gives a better size estimation.


It is true that during puberty, the testicles grow bigger and start producing more male hormones that result into the growth in the size and length of the penis.
The penis typically reaches its final size four to six years after the testicles enlarge and at 25 years your penis should have reached maximum adult size.


That said a few people said to have really small penises (micro penis) that do not increase in size at puberty, have either hormonal problems or genetic abnormalities.


An adult penis with an erect length of less than seven centimetres, but otherwise formed normally, is referred to as a micropenis and requires consulting a doctor early for treatment.