My daughter is 10 years old. She was age attend (starting first period) on Oct 11 2016. Somebody told me girls first period starts between 12 to 13 age. But my daughter menstruation period starts from 10 years age. What is the reason?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.