37 weeks question about contractions

I’ve been having the worse constipation this last trimester and all day today I’ve been going #2 every time I eat or drink. But now I’m having upper abdominal cramps which lead to lower to what feels like Braxton hick/contractions. All day I’ve been also feeling like I’m having a Charlie horse in my lady bits but that’s the best way to describe the pain. I’m 1.5 cm dilated and 50% effaced as of last Tuesday. Is this normal? I’ve been drinking water constantly all day to avoid getting dehydrated but this is just weird 🤨