Too early for my symptoms?

I think I am 4-5weeks pregnant but it is hard for me to work out because I have irregular cycles.

I have very bad sickness and nausea, sore breasts, metallic taste in my mouth, and constant cramping/abdo pain.

Is it too early in my pregnancy to be getting these symptoms so strong and could I be much further along than I originally thought? I tested early and got a very strong positive which is also making me worry I am further into my pregnancy than just 4 weeks?

Someone please help me 🤦🏼‍♀️