Todomomo

Rei got burned when she was five with her quirk.
August was born deaf but they didn't realize it until he was at least a month old.
Haruhi and Hino were born
Eve was born in a hospital. Jk, she got burned by Haruhi by accident.

Kirimina

Nope! They weren't even born in a hospital! They were born in the car in a hospital parking lot. The end.

MiruHawks

Dove was born in the hospital. She's pretty healthy. Her vitiligo doesn't do anything to her health so she's fine.

Iidamei

Tameiko got injured when she was building a clock or sm and Iida got mad.

Kamijirou

Riitsu has been there many times.

Dabi x Toga

No, they have a friend deal with his injuries. He got shot once and they still had a friend deal with it. (He showed Rosa the gunshot when she showed him a few of his scars.)

Nejitama

Amai gets into fights a lot and goes to the hospital if she needs too.

Phoenix is careful and doesn't get hurt a lot.

Mt.Kamui

Okuri was born

Ryushot

Megami was premature so when she was born, she was stuck in the hospital for a while. And she is quite frail so she goes to the doctor a lot. (I dunno why she's frail.)

Daenerys got a concussion during a volleyball game. She ran into the pole, really hard, and got a concussion. Her eyes didn't dilate correctly when Ryuko checked. She wouldn't stop crying either. She had to go to the hospital.

HitoRei

Rosalind had to get stitches because Shinsou accidentally broke some glass and tiny toddler not knowing better stepped on it and her foot split open.

Tetsukendou

He was born in a hospital.