BC question?!

So my last period was june 2nd. And i got back on bc in may. Been taking it consistently. My bf and i are sexually active. Sometimes we use condoms, but most of the time withdrawal lately. We haven't had sex since june 27th. But ive been throwing up off and on getting sick to my stomach and really emotional. I missed my period for july. I was jw can bc make your period stop? Or should i test? Please help im freaking out inside!