How to know if you baby have dropped?

32 week last nights i felt a huge  relief on top of my belly i Really felt like i could brith again i don’t just a weird feeling usually i feel like I can’t birth today i woke up and drink some coffee and eat something with it usually I can’t do the bc i get really sick bc i feel like my food don’t go down will today i felt like i had so much room in my stomach not sure if this mean the my baby dropped or not😫😫😫😫

Update: i had a ultrasound today baby is Head down and his weight 4lb 3oz i have small babies my las baby was 5lb 3oz