Pregnancy symptoms are decreasing.. Should i worry?

Yazmin
Im 8 weeks today and since yesterday i woke up feeling better, i was a little nauseous but I didn't vomit, this morning was the same, my boobs don't hurt as much and im just panicking.. This is my second pregnancy and with that one i had bad nausea untill i delivered... I hear alot of things about mis carrying.. Im worried