Has anybody gone into preterm labor what were your symptoms?

I did at 33 weeks.

I had a ton of pelvic pressure. ( like I was sure his head was already in my vajay haha) bleeding, and what started off as period like cramps- they just kept getting stronger and stronger.

Were they able to stop it or did you give birth? And was it over a few days or just spontaneous

33 weeks. No actual symptoms other than my water breaking. Daughter was born the next day.