Is this early labor or just totally normal and the baby won’t come for a couple more weeks?

Currently, I’m 37 + 3. So while sleeping I woke up to pee because I was experiencing pain and then I felt ALOT of pain in my public area and what felt like a contraction of sorts, I almost fell over. Then it went away once I got back into bed. Maybe experienced the same thing an hour later. Then baby started moving around like crazy and it really didn’t feel good. He’s definitely sitting very low right now so I understand that’s causing some extra pain. The past 24 hours, I’ve noticed some clear goopy gel a couple times when I peed, but it was little. But just now after two or so painful contractions of sorts, I peed and got a big heaping clear goop that it flopped on my hand. 1. Ew 2. Sorry TMI lol Is this my mucus plug? Could this be early labor or do contractions come with baby moving so so low? Or can the mucus plug be lost when he moves so much with Braxton hicks? I’m trying to time them, but they’re like an hour apart so I know either way they’re no cause for immediate concern. I’m just feeling light contractions now. I ate something because all of his movement made me feel like I needed to throw up and got heartburn. Any thoughts??