Morning sickness going away?

I'm 6 weeks and 5 days today, and noticed this morning that I'm not feeling sick really at all. The last week I had felt like gagging at everything with two days feeling the worst like I was going to vomit and had to focus on breathing to avoid it, I hate throwing up. But since yesterday it's felt like it's eased up and disappeared at the end of the day. I have an OB appointment tomorrow and I'm worried that I'm miscarrying. I've miscarried before but it was very early. Has anyone else had this happen to them?