they usually do the 3rd one around 30weeks

they usually do 3 ultrasounds the first trimester the second and the 3rd to check how how big the baby is and what position and stuff

I was wondering the same. my last was at 20. I'm hoping I get another

i had an ultrasound today and he was 5lb14oz lol

@february2016,

I hope so because I haven't had an ultrasound done since 17 weeks .

I'm sure he'd let you