ok ladies not sure whats going on with baby boy but he's been active today but iv been having alot…

ok ladies not sure whats going on with baby boy but he's been active today but iv been having alot of cramps today and a weird pain in my lower (lower) area after I peed earlier not stayed for about aminute,I couldnt walk, then I left but my cramps are still happening on and off...im 31+3 weeks...any ideas?