Pediatric Medicine

Answer 4 Testicular enlargement. Testicular enlargement, which begins on average at age 11.6 years, is the first physical sign of puberty in approximately 98% of boys. Pubic hair development and then penile lengthening closely follow. The timing of spermarche is widely variable, but it occurs on average at Tanner stage II-III. In contrast to girls, in whom a height spurt is an early pubertal event, the height spurt in boys is a late pubertal event and generally lasts longer than in girls. For this reason, boys generally are shorter than girls early in development but catch up and ultimately surpass them in final adult height. Click here to return to the questions

Hospital Physician     JCOM     Seminars in Medical Practice Hospital Physician Board Review Manuals About TWC    Subscribe    Contact TWC    Home    Search   Site Map Copyright © 2009, Turner White Communications Updated 1/04/08 • kkj