Placenta previa

Amber

I'm currently 11+3 and I started bleeding a little yesterday. I freaked out and went to the er because I lost a baby in april 2019. Well everything looked fine with the baby. Jelly bean was moving around and the heart beat was 162 but they told me I have placenta previa. Like now I'm freaking out about what that means. Any mommas have thos and everything be ok?