<P> Most of the voice change begins around puberty . Adult pitch is reached 2 -- 3 years later but the voice does not stabilize until the early years of adulthood . It usually happens months or years before the development of significant facial hair . Under the influence of androgens , the voice box , or larynx , grows in both sexes . This growth is far more prominent in boys than in girls and is more easily perceived . It causes the voice to drop and deepen . Along with the larynx , the vocal folds ( vocal cords ) grow significantly longer and thicker . </P>
<P> Most of the voice change begins around puberty . Adult pitch is reached 2 -- 3 years later but the voice does not stabilize until the early years of adulthood . It usually happens months or years before the development of significant facial hair . Under the influence of androgens , the voice box , or larynx , grows in both sexes . This growth is far more prominent in boys than in girls and is more easily perceived . It causes the voice to drop and deepen . Along with the larynx , the vocal folds ( vocal cords ) grow significantly longer and thicker . </P>
when does a boy 's voice stop changing
when does a boy 's voice stop changing
the early years of adulthood
the early years of adulthood