Sharp shoulder pain

So I saw the baby and heartbeat so I know it’s not an ectopic buttt ive been getting a sharp shoulder pain in my left shoulder it’s just one spot and it’s no where else but when I get it there I also get one a little higher up then my wrist. Im also getting chest pains with it. The pain is off and on but it doesn’t feel like I pulled something. It’s random and almost constant but then it stops for a little bit then comes back. I’m 18 almost 19 and 7 weeks 2 days pregnant.