Could I be pregnant?

My boyfriend and I are sexually active and sometimes will go a few pumps without a condom before we switch to put one on. I also am on birth control and typically take it regularly.

My period came like usual this month, it may have been a little lighter than usual but nothing too noticeable. On the last day of my period I was throwing up most of the day and was tired all day. I didn’t have a temperature or anything.

The next few days I’ve felt a little out of it and a little nauseas but haven’t thrown up again. Should I take a test? Or is it all just a coincidence?