12 and 13 Year Old XXY Boys May Have Sperms In Their Ejaculate
New scientific publication – Posted on Face Book Group – XXY Society – by Nicola Ravden (Denmark) on November 4th 2008
Abstract: PURPOSE OF REVIEW: Klinefelter syndrome, 47,XXY and its variants, is the most common chromosomal aberration among men, with estimated frequency of 1: 500 among newborns. Men with Klinefelter syndrome present with sequels of [...]