delayed puberty
no puberty development in children
what is the age for investigation in boys and girls
boy - 15
girl - 14
investigations
blood
x-ray of wrists
why is the x-ray of wrists useful
can examine the epiphyseal plates and see if they have fused or not
what are other causes
low gonadotrophin levels:
pituitary disorder
hypothyroid
high gonadotrophin levels but not getting a response:
adrenal hyperplasia
congenital syndromes
what the first sign of puberty in a boy and a girl
boy - testicular growth
girl - budding of breast