Sis, normal lang talaga yan especially first trimester pa lang, but better check with your OB kasi basta may pain sa specific side like na you're describing, gusto lang namin sure na okay lang talaga at hindi something else, you know? A few of us moms had similar complaints and turned out it was ligament stretching or positioning, pero mas peace of mind talaga pag confirmed ng doctor mismo, lalo na first time mo pa lang!