Maybe baby 👶🏼?

So for the last week maybe week an a half I've been feeling completely abnormal i've been feeling nauseous my back hurts I've been having cramps I've been having gas it upset stomach and no appetite hardly this is not like me at all..... I had my period around the first of the month could I be pregnant or is it too soon to tell I just don't want my mind playing tricks on me idiot vice