Puberty! What's happening to my body?

From about 10 years old, your body starts to go through a lot of changes because you are changing from a boy into a man! This change in your body is called puberty or adolescence. People sometimes say it is when you are becoming a teenager.


In boys, your scrotum (balls) and testes grow larger and your voice changes. Your penis may get longer and pubic hair begins to grow, followed by a growth spurt and finally growth of hair on your face and under the arms.


No-one knows for sure when these changes will start. Developing earlier or later than other boys does not mean that there is something wrong. Everybody is different! Bodies develop at their own special time.


Other changes you may notice:
  • You hair may become oilier and need washing more often.
  • You may start to get pimples on your skin.
  • You sweat more which changes the smell of your body.
  • Your feet may become smelly.
  • Your voice changes, sometimes it 'cracks' and it becomes deeper, like man's voice.
  • Your muscles get thicker.
  • Your shoulders get wider.
  • Your nipples may get bigger and darker. They may also be tender or sore.
  • Hair grows on your face, legs and arms.
  • Hair grows on your chest, under your arms and between your legs.

Girls will also be changing at this age. They may start earlier than boys - sometimes as early as 8 and a half years old! Girls will start to get breasts, followed by pubic hair. They will also grow taller, get their first period and grow hair under their arms. You may also notice a change in their body shape too.

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Sianne 4 March 2017 08:48

At what age do girls normally get their periods

B-Wise Expert Expert 6 March 2017 11:34

Hi, Sianne, Girls usually start their periods between the age of 10 and 15.  It is different for every girl, some girls start as early as 8 or 9 years.  There are a few changes in your body during puberty, like getting armpit hair and your breasts changing and growing. Your first period usually happens in the first 2 years after those changes start. If you are over 16 and still haven’t got your period, it’s a good idea to go to your doctor and check what the reason might be. For more information about your period read the Girls Body Guide section. 



Anonymous 18 March 2016 14:41

HIV is found in male spam ceels?

B-Wise Expert Expert 19 March 2016 02:08

Hi Anonymous, Yes, HIV can be found in semen. But, if you take ARVs, they fight against the HIV and lower the levels of HIV in the blood, semen and other body fluids.


Phila 18 March 2016 14:39

what makes girls to have pimples on the face,why are they most victims of skin problem

B-Wise Expert Expert 19 March 2016 02:08

Hi Phila, Unfortunately, pimples are part of most young people's lives. Up to 90% of adolescents get pimples.They are caused by blockages of skin pores as oil glands start making more oils. Some people seem to have worse pimples than others but it is not known exactly what the causes are. Hormones are likely to be part of the cause, and some medications may also cause pimples. Sometimes pimples can also get worse a few days before the start of menstruation.


damara 18 March 2016 14:39

If the penis does not get longer is there anything wrong?

B-Wise Expert Expert 19 March 2016 02:09

Hi Damara, Different people develop at different ages, so if you haven't yet started to see any changes yet, it doesn't mean they aren't going to happen. The changes also happen slowly over time, so you may not notice immediately.


snezdapoet 18 March 2016 14:38

This a good topic

Anonymous 18 March 2016 14:37

What is the perfect age for a boy to be circumsized

B-Wise Expert Expert 30 March 2016 11:55

Hi Anonymous, great question! Circumcision is recommended for babies and children under the age of five, as babies and children heal better with reduced infection rates. However, it is also important for young men and men to consider getting circumcised since medical male circumcision (MMC) helps reduce your chances of getting HIV (by 60%). It also helps reduce your chances of getting sexually-transmitted infections (STIs) like herpes and syphilis. It can also help you keep your penis clean and can help reduce your risk of getting prostate and penile cancer.


Anonymous 18 March 2016 14:34

At what age does your body stops growing?

B-Wise Expert Expert 19 March 2016 02:03

Hi Anonymous, Most of the body's growth in adolescence happens between 10 and 15 years. This growth slows down after that, and by about 19 years most people have reached their adult height. Girls usually reach this earlier than boys.


Anonymous 18 March 2016 14:33

At what specific age does a girl starts menstruating?

B-Wise Expert Expert 19 March 2016 02:11

Hi Anonymous, It is difficult to say at what age a girl will start menstruating, as everyone is different. Usually it happens after a girl has started to develop breasts and pubic hair. It can happen as early as 8 or 9 years, but for some girls may only happen around 15 or 16 years.


Anonymous 18 March 2016 14:32

When the boy get in this stage his voice start change and grow hear in private parts

chantel 18 March 2016 14:32

Its very important for young people to be educated more about changes that they are going to face regarding their bodies so that they will be able to cope in a proper way so that they won't get nasty suprises

Anonymous 18 March 2016 14:29

What happened when a girl reached 19 years and she did not menstruate yet?

B-Wise Expert Expert 19 March 2016 02:12

Hi Anonymous, If a girl has not had a menstruation after she is 16 years old, we would suggest that they see their clinic nurse or doctor, just to check that everything is okay. There are many things that can delay menstruation, such as other chronic diseases, hormonal problems or problems with the womb and these need to be checked by the nurse or doctor.


Anonymous 20 October 2015 13:18

I am 22 years old,I have something like a breast on da right side of my chest