Bad Cramps During 2nd Pregnancy

Leslie
I'm 12 Weeks and 2 Days and I have been having the worst cramps ever!! This is my second pregnancy and I never felt cramps as bad as these. It's hard to sleep at night, it's in my lower back and front near my pelvis bone, luckily I've had no bleeding or signs of bleeding... and it sounds weird but gives me horrible heartburn after every cramp... Any suggestions?