Nervous about 20 week scan

Chloe

Hey ladies i have my 20 week scan on the 3rd and I'm absolutely terrified somethings bad is going to be wrong I haven't felt the baby at all yet I'm a first time mama and dont know what to expect I wouldn't say I look big for bring half way but my belly just looks like I'm bloated im very nervous and can't even have a good night's sleep any of you ladies been in the same situation?