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When will my testicles begin to grow?

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Your testicles will grow in the early stages of puberty, between the ages of 10 to 13. As your testicles grow, the skin around the scrotum -- the sac that holds the testicles -- will darken, hang down, and begin to develop hair.

From: Testicles FAQ WebMD Medical Reference

SOURCES:

Nemours Foundation: "Male Reproductive System."

Nemours Foundation: "Is It Normal for One Testicle to Be Bigger?"

American Academy of Pediatrics: "Physical Development in Boys: What to Expect."

American Academy of Pediatrics: "Boys' Secondary Sex Characteristics."

Great Ormond Street Hospital: "Hanging Testicles."

American Cancer Society: "Do I Have Testicular Cancer?"

Reviewed by Dan Brennan on October 22, 2017

SOURCES:

Nemours Foundation: "Male Reproductive System."

Nemours Foundation: "Is It Normal for One Testicle to Be Bigger?"

American Academy of Pediatrics: "Physical Development in Boys: What to Expect."

American Academy of Pediatrics: "Boys' Secondary Sex Characteristics."

Great Ormond Street Hospital: "Hanging Testicles."

American Cancer Society: "Do I Have Testicular Cancer?"

Reviewed by Dan Brennan on October 22, 2017

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