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Omg same
No tips but I am also miserable it suck’s.
When are you due?

Get the Shark Chillpill! I haven't tried, but I've heard good things about it

Cold towel on back of neck or even better an ice pack. Or cold pack on top the chest just below the collar bone. I also had a little neck fan. I also got some rose water to mist my face to help not feel so gross.

I am just living with an ice pack on the back of my neck and bought a bunch of the instant ice packs for when I am not at home. Sadly don't have much more advice other than that, but you're definitely not alone!

Breathable clothes made of natural fibers, light bedding like quilts, hair up if it’s long or chop it off, and lots of fans on all the time.

Been there! Feel your pain...
What helped me was soaking my feet at the end of each day. Make water cold/luke warm only. Plus, add a bit of sea salt. It also helps with feet swelling if you've got that too.

My first was born in September, so I was in my 3rd trimester for the whole summer 😭 it was awful. I wore the absolute breeziest clothes I could find. I 100% recommend super loose lightweight dresses in really breathable fabtic. The airflow is life changing.
Boob towels that tuck under your bra to soak up sweat, equally life changing lol
I got stick-on cold packs made for kids with fevers, and stuck one on the back of my neck when possible.
Always kept a portable fan on me. Bonus points for one that mists.
Drank tooooons of water (and had to pee every 5 min lol)
I chopped all my hair off bc sensory issues lol, but keeping it up out of your face & off your neck would work for most people