If a boy notices a swelling around his nipples during puberty, what is the likely cause?

Name: If a boy notices a swelling around his nipples during puberty, what is the likely cause?
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Question

Quizplus · Accepted Answer

During puberty, hormone levels fluctuate and can cause temporary breast development in both boys and girls. This is known as gynecomastia and typically resolves on its own within a few months to a year. Cancer, abnormally high levels of estrogen, and drug abuse are less likely causes and would require medical evaluation.

If a Boy Notices a Swelling Around His Nipples During