Puberty in Boys & Girls

Puberty: when everything changes

Did you know that during puberty, your body grows faster than at any other time in your life, except when you were a baby? All that growing and changing can make this an exciting time but also confusing and weird. At Westchester Health Pediatrics, we’re here for you, every step of the way. We understand all the changes you’re going through (believe it or not, we’ve actually been through puberty ourselves) and we’re here to help, with advice, information and a listening ear. So come in and see us. We’d like to make what can be a rough ride a little smoother.

What is puberty?

Usually, puberty starts between ages 8-13 in girls and ages 9-15 in boys. It’s brought on by hormones (testosterone in boys and estrogen in girls) that set a number of things in motion:

Both boys and girls:

  • Start to grow hair under their arms and pubic areas
  • Have growth spurts
  • Can develop acne or skin problems
  • Produce body odor
  • Can experience “growing pains” in joints
  • Can become overly sensitive or get upset easily
  • Have an increased sense of body image
  • Experience sexual feelings


  • Start to grow facial hair
  • Their voices change
  • Develop an Adam’s apple in their throats
  • Their penises and testacles grow


  • Start their periods (menstruation)
  • Develop breasts and hips

Everybody develops differently

During puberty, everyone changes at his or her own pace. Some kids, however, start developing very early or haven't developed by an age when they should have. If you feel this might be the case with you and you’re concerned about it, come in and talk with us. Together, we’ll determine what’s going on and if we need to take any action.

You’re becoming a new person and we’re here to help

As you leave childhood behind and become a young adult, we want you to know that we care about you and what you’re going through. Please come in and talk with us about any aspect of your body, your feelings, your anxieties — we’re here for you and we'll keep it confidential. Most of all, we want to help you be healthy and happy and feel good about the person you’re becoming, in any way we can.

To learn how we at Westchester Health Pediatrics can help you get through your teen years in a healthy way, CLICK HERE.

Please contact us to discuss any of these topics. Whenever, wherever you need us, we’re here for you.