i'm 17 this year n never had my period before except for last year in november when my doctor gave me some sort of medicine for stabilize my hormone n i have my period for 10 days...its been 1 year now n i haven't got my regular period..my parent is not worry but i'm just curious...
my ex boyfriend says that i should stop smoking bcuz it will decrease my hormone level..is it true?
can some1 help me on what should i do???

