Hello, the Doctor. In August of the last year at my daughter have begun mesjachn...

[Jeanne, Estonia]

Hello, the Doctor. In August of the last year at my daughter have begun monthly then to her was 13. It were the first monthly and till now they are not present. In March of the next year to her will be 15. This normal phenomenon? Or it is a pathology?

[Malanova T.B.]

No, not normal. Visit at the children's gynecologist.