20w low kicks

Jessica
I'm a first time mom. I'm starting to feel some harder kicks and they're always around the pelvic bone. Is that too low? Not sure if placement matters at this point, but I thought the uterus was a bit higher up (closer to my belly button). 
I've also been feeling slight cervical pain and some abdominal cramping, but I'm going to assume it's round ligament pain, it's never excruciating.