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Thanks for your question. Testosterone is a hormone produced by the body. During puberty, testosterone will lead to increases in the size of the penis and testicles, a deeper voice, along with other changes.
Testosterone levels can be affected by many things, including:
- Genetics
- Medical problems (such as diseases that may affect how you go through puberty)
- Medications
- Nutrition
- Stress
- Substance use (such as alcohol, cigarettes, vaping, marijuana)
The good news is most teenage and young adult men have normal testosterone levels. If you’ve gone through puberty and are able to get erections regularly, chances are your testosterone level is normal.
If you are worried about your testosterone level, we recommend talking to your health care provider. They will ask you questions about your health, how your body has changed during puberty, and how you have been feeling. They will also do a physical exam, including examining your penis and testicles. If they have any concerns, they may get some blood tests.
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