Increases in testosterone during puberty make many changes in the body, not just to the voice. However, the timing of the voice changes during puberty is significant because it does so at a certain point during the overall changes that are occurring. Voice changes happen when boys are between Tanner stages 3 and 4. The Tanner stages describe the physical changes in a boy's genitalia during puberty.
Your doctor assesses your son's Tanner Stage, so feel free to ask where your son is at—puberty-wise—after his next checkup. It may give you an indication if a voice change is on the horizon. The age at which voice changes begin varies widely between boys.
Most often it begins between the ages of 12 and 13 and the changes are mostly complete after ages 15 to Once your son's voice stops changing, his growth spurt starts to decrease. This process can last two to three years. Puberty, with its voice changes among other things, can be a stressful time for teens, but understanding more about the process can help everyone cope with the situation.
If he is concerned about how his voice sounds, you can reassure your son that the squeaks and changes are normal growing pains and that they won't last forever. The good news is that when his voice changes, he'll be getting the growth spurt he has been wishing for. Get diet and wellness tips to help your kids stay healthy and happy. Changes in the male voice at puberty: vocal fold length and its relationship to the fundamental frequency of the voice.
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I Accept Show Purposes. Table of Contents View All. Table of Contents. Boys however experience quite a dramatic change in tone. Their voices might drop by as much as a whole octave. The voice usually begins to deepen shortly after the penis has finished its phase of rapid growth.
It is not clear why this change occurs. The males of other species develop deep voices to attract women and to intimidate other men. It is possible the human male voice developed for the same reasons. Sound is made by the mouth as air is pushed out of the lungs, through the voice box. The voice box is a structure at the top of the windpipe that is made of cartilage. Stretched across it are two vocal cords, which are a bit like elastic bands.
As air is expelled from the lungs it passes between the vocal cords, making them vibrate. This produces the sound of the voice. Several changes that occur in teenage boys cause their voices to deepen. The cartilage in the voice box is very sensitive to testosterone. As this cartilage receives testosterone, sent from the testicles, it grows larger and thicker. Now when they vibrate, they do so at a lower frequency than before.
Their pitch drops only about three tones. This process may take up to a year. Usually, by age 17, the voice fully stabilizes. Milstein says. There are two main reasons why your voice may change with age:. An aging vocal mechanism.
The most common cause of a voice change later in life is aging of the voice box and the respiratory system that powers the voice. Aging may bring a loss of flexibility. The joints of the larynx may become stiff, and its cartilage may calcify. The vocal cords may lose muscle tone, flexibility and elasticity, and dry out. Sometimes, the muscles of the larynx can atrophy, become thinner and weaker.
Your ribs may become more calcified.
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