Oo, normal yan, mama! Yan ang Braxton-Hicks contractions, practice contractions lang ng uterus, mostly nararamdaman mo especially pag pagod ka or dehydrated ka na, kaya drink lots of water talaga. Pero if malakas ang sakit or consistent siya every few minutes, or may vaginal bleeding or spotting, check with your OB na para mapanatag ka at ma-rule out yung iba pang concerns, better safe than sorry, lalo na when it comes sa pregnancy.