Advice please!

Megan • Wife 1.30.16 👩🏼‍🤝‍👨🏻 Hudson 12.6.13 💙 Grace 7.14.18 💖 Baby Girl 6.2020 💖
I went in for my 8 week ultrasound and they couldn't find a heartbeat and said it could be a miscarriage or the baby isn't as far along as we thought. Anyone else experience this and end up fine? I'm so scared as I just had a MC in September