First sign of sexual maturity in boys is: September 2010
Ans. C: Testicular Enlargement In boys, testicular enlargement is the first physical manifestation of pubey (and is termed gonadarche). Testes in prepubeal boys change little in size from about 1 year of age to the onset of pubey, averaging about 2-3 cm in length and about 1.5-2 cm in width. Testicular size continues to increase throughout pubey, reaching maximal adult size about 6 years after the onset of pubey
Increase in height
Increase in facial hairs
Testicular enlargement
Axillary hairs