7w2d symptoms disappeared this weekend

I have been nauseous all week and tired. This weekend I’ve felt barely a nausea, still tired but not as bad as I was through the week. I thought symptoms were supposed to be getting worse now that I am 7 weeks?. I had a miscarriage in January and my symptoms went away so I’m nervous that is happening again. My first appointment is Friday, I’m praying that we see a healthy baby, I don’t think I can handle another loss. 😔