What is a micropenis?

Abnormal small penis. Officially 2 1/2 standard deviations smaller than stretched mean erect human size of 12.5cm (5inches), thus .

Related Questions

What defines a micropenis?

Very small penis. Otherwise normal in appearance & not hypospadiac or epispadiac penises which are otherwise abnormal. Size definition is somwhat subjective, but, severely small compared to child's body size. Streched flaccid lenght (pushing down on pubic bone to tip of glans) should be more than 2.5cm in a term or 7 1/2 lb otherwise normal newborn. Below 2.5cm can be considered a micropenis. Read more...
See below. The definition is reasonably solid for newborn males and is based on streched penile length. However, for adult men, it is much less defined and is dependent upon the true penile length, the amount of prepubic fat, and its turgidity. Many men mistakenly believe they have small penises because the penises the see in pornographic images are not typical of normal males. Read more...

What size penis constitutes a micropenis?

1% percentile. . Micropenis is defined as a penile length in the 1% percentile in a given population adjusted for age. This occurs usually because of problems with the hormone system governing development, usually after 14 weeks of gestation. It can be a part of chromosomal problems such as klinefelter syndrome (47, xxy), trisomy 8, 13, and 18. Read more...