My DD1 had a tonsillectomy/adenoidectomy & grommits in November last year.

You will be able to go in with them while they go under the anaesthetic, but I will warn you it was distressing for me. I was 5 months pregnant as well, so a bit emotional.
When she was going under she looked terrified & was trying to get to me, but they were holding her & it felt so wrong. They had to take me out.
Sorry, I don't wanna scare you, just wish I had've known what I was in for.

It took about 30 - 40 minutes. I cried the whole time she was in there. Damn preggie hormones!

There was a kid in recovery & another wheeled out while she was in there & they were both sleeping it off. They were pretty doped up I think & real sleepy.
I think DD had a bad reaction to something coz she was crying & wouldn't sit still after.

After about 30 minutes we went up to the ward. She was still a bit antsy that after noon. They offered her lemonade ice blocks. The other kids were sucking on them, but DD only had a little bit. Just lots of water.

The next morning she was feeling much better, but still felt a bit off. I think after about day 2 or 3 she was more herself, but they shouldn't do any running around or anything full on for 2 weeks after.

No school or exercise. The grommits have to be kept dry for 12 months after. We used vasoline & cotton buds for showers.
She went swimming with that & a swimming cap a few times, but got an infection 2 or 3 times, so she had to miss out.

The difference in her sleeping was instant. It took me a few weeks to get used to it coz I couldn't hear her breathing. & she had trouble sleeping coz she COULD hear the others in the room breathing!

She didn't really eat til the next morning. When she was told she wasn't allowed home til she ate something.

Just make sure you have lots for them to do. Colouring in books, reading books. A video game if they have one. They wil be sleepy for a few hours after, but they will be looking for things to do later on.

Buy some Pain Stop. Its a strong pain realief for kids. Its not very nice though. Stock up on yoghurt, custard, spaghetti, tinned peaches & those sorts of things. Soft foods. They can't have normal foods & can't eat anything hot for 2 weeks after.

Good luck. Hope that helps.