38 week cramps?

[NewMama2Be]

I'm a FTM so not sure what to expect. Haven't had Braxton Hicks that I know of, but 2 days ago I really felt like I started to waddle more when I walked, very heavy uncomfortable feeling low down in my pelvis.
Then for the last two nights, while that pain has eased a little, i keep waking in the night to pee but notice every time that I've got a slightly crampy tummy, low down with some pressure pains in my bum, like I need to go to the loo 🤷‍♀️
I dont have any constipation issues (yet, thankfully) so it's got me wondering if these feelings could be linked to early labour?
TIA(thanks in advance)!

I had a lot of pressure down there and my mum noticed my waddle.. (thanks mum 😂).

I had light cramps around my back was going to the toilet a lot was never constipated though. The cramps then eased off for a day they actually completely vanished and came back early in the morning and were more intense was checked at 9am and I was 3cm dilated 😳. Now I know the back pains was because he was back to back he turnt at 37+6 I felt him so it but thought it was a big movement! These cramps started 38 weeks and had him 38+3. Good luck and do lots of walking! x