Upper back pain 4weeks and 4 days pregnant ?

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So I’m extra worried right now. I called my doctor to schedule an appointment since I found out I was pregnant last week and they said they want to check my hcg to make sure it’s not an ectopic pregnancy.

I never had that done before and I’m scared that my levels won’t be enough and on top of that I’m having horrible upper back pain like base of the neck and left and right shoulder blade.

Does the pain seem like a normal symptom in early pregnancy or does this sound like something I should worry about ?

I am having cramps but nothing severe or no bleeding what so ever.

Please help I’m so nervous and scared 😱😔😔