What Causes Delayed Puberty?

There are 2 types of delayed puberty, which are:

  • Primary hypogonadism
    This is when the ovaries do not respond to the hormones FSH and LH made by the pituitary gland.
  • Secondary hypogonadism
    This is when the pituitary gland does not make the hormones FSH and LH. This type of delayed puberty may happen very late, but is otherwise normal. It also tends to run in families.