Hello. Daughters of 15 years, thin enough, high (168 sm). The first kneading...

[Nina]

Hello. Daughters of 15 years, thin enough, high (168 sm). The first monthly were half a year back, since then there were only 3 times, with periodicity gde-those 2 months. Whether it is normal, whether it is necessary to wait still for an establishment of a cycle, or it is time to something to undertake?

[Krivskaja L.K.]

It is normal. Girls has the full right to not have a regular menses within a year from the first menses.