Hi My Daughter Of 9 Years Old Just Got Her

Hi
My daughter of 9 years old just got her menstrual cicle. I started taking her to the specialist at age 7,5 because she started showing signs of hair and sweat odor. They have been checking on her every 6 months and they predicted that at age 10-10,5 she would get her first menstrual cicle. But it got us by surprise that she got it last week. Some dr are recommending that she fe the hormon to stop it , because she is to young and others to not to , because the later consequences are worse. And I am indecisive on what to d.
The last boos work came high in estrogen and the x-ray the she is at a 1 year ahead in bone age.