an unusually small penis in a boy or man
a very long penis small penis caused by long penis developmental or
a very small penis caused by developmental giant penis or congenital problems
Abnormal smallness of the penis. Micropenis occurs when the penis fails to grow for the last two-thirds of the embryo's development
A fully formed penis less than 2 centimeters in length.
A normally structured penis that is below the normal size range for an infant.
Micropenis is a medical term that describes an unusually small penis in a human male. A common criterion is a dorsal penile length at least 2.5 standard deviations smaller than the mean penis size. The condition is usually recognized shortly after birth.