What is the reason for a boy's short penis

Male penis short may be related to genetic factors, hypothalamic hormone secretion abnormalities, testicular abnormalities and other factors.

1, genetic factors

genetic factors cause penis short pathogenesis is not clear, may be related to chromosomal abnormalities, such as multiple x syndrome, multiple chromosome abnormalities.

2, hypothalamic hormone secretion abnormalities

such as Kalman syndrome, brain development abnormalities, etc., can lead to hypothalamic hormone secretion abnormalities, and then make gonadotropin secretion insufficient, affecting penis development, resulting in penis short.

3, testicular abnormalities such

as testicular absence, testicular descent incomplete, etc., can lead to testicular secretion ability reduced, and then make the body testicular level decreased, affecting the normal development of the penis, causing penis short.