Bc or missed period ?

Question

So I am on depo & I was suppose to start my period on the 19th & I still haven't got my period & I did have sex 2weeks after I got  been haveing it for about 4weeks now I am new to the whole birth control thing so I would appreciate if someone could be kind enough to help me thanks .

Answer

Some women's stop having their periods altogether on depo. I did not however,  I'd you are still concerned take a test,  but odds are you are not