Am 18 and my right breast hurts and is hard is it conventional?

i started my period when i be 10 now am 18 and my right breast hurts resembling its still growing sometimes my left breast hurts but go away imedaitly is it normal and when will it stop?
Answers:

Could it be untimely miscarriage?

you need to progress to a ob-gyn, do not put it off. Pick up the phone immediately and make a Drs. appointment. GO NOW

After a virgin have sex, should she abstain for some time?

NO! See a doctor now!

I bring back hot flashes and night sweats but i'm individual 18.?

you are only 18 you are still growing , it is majority to have ache in pains , establishment of your period that happen breast tenderness is usual , I do get sore breast some times simply one of my breast some times ..its just PMS side effect , my doc Said its run of the mill just the instrument my body is made , But if you feel any current lumps in your breast that have never been here that is when you stir see you Doc ! hope this helps !