I usually got my period around the end of the month, between the 20th-28th, something like that, i didnt really keep track.
I know that no one can really answer this question, because it all depends on the person.
I started T september 20th, and a day or 2 after starting I got my period, lasted a day or two longer then normal.
I am on a 'high' dose of T, I am not on the dose where it starts out small, then goes up (if that makes a difference)
so, should I be worried that I'm gonna get it in the middle of class or something?? When did yours stop?