In boys, what is the initial indication of puberty?
a. Voice changes
b. Growth of pubic hair
c. Testicular enlargement
d. Increased size of penis
ANS: C
Testicular enlargement is the first change that signals puberty in boys; it usually occurs between the ages of 9 1/2 and 14 years during Tanner stage 2. Voice change occurs between Tanner stages 3 and 4. Fine pubic hair may occur at the base of the penis; darker hair occurs during Tanner stage 3. The penis enlarges during Tanner stage 3.
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