Your child is suffering from precocious puberty with early menarche andadvanced bone age. I need to know about other findings like pubic hair appearance , breast budding etc and any skin big spots brown coloured. I also need to about
Lh and
Fsh report becoz this will decide the central or peripheral cause. in central cause Lh and FSH is elevated. So mri done to see any neural cause.and tretment is Lh agonist injection 3monthly till reaches normal pubertal height
Butif Lh Fsh low or normal then it is peripheral cause where ovarian cyst or adrenal gland is producing female hormone and causing pubertal changes.
Many times it is just hypothyroidism which leads to bleeding and multicystic ovaries so provide T4 and
Tsh report .as it is simplest to treat only with medication.and cyst also resolves.commonly seen.
So based on cause treatment is decided. No need to worry
But evaluation and treatment is imp because untreated pt bone matures fast and fuse and pt remain short in height.and has many psychosocial issues