Advice please

Celia

So I’ve been super moody, extremely emotional, nauseous no matter what I do, having headaches every day, and eating a lot more than usual in the 2 weeks or so. My last period was 12 days late and when I finally got it it was lighter and shorter than usual. Im almost never late and when I am it’s never been more than 2 or 3 days. I’m not sure if that’s a sign that I could be pregnant or if I should make an appointment with a doctor.