GH is produced throughout your life but is higher when you are a teenager and a young adult and then starts to fall as you get older.
Growing slowly or being on the short side is something that can happen in young people with conditions affecting the hypothalamus or pituitary gland therefore one focus is on checking that you are growing as normally as possible. If the doctors and nurses think you are not growing normally they will want to check the levels of your growth hormone, GH for short, using a special test and your insulin like growth factor 1 levels, IGF-1 for short. If your GH and IGF-1 levels are low showing that your pituitary gland is not making enough, more often than not you will be started on GH injections.
In young people with conditions affecting the hypothalamus and pituitary gland, this can be a difficult question to answer. Some of you will benefit from staying on GH injections even after you have finished growing to help keep your muscles and bones strong and your fat levels down. In some people staying on GH injections can even boost energy levels. You will need to ask your doctor.