FTM "Braxton Hicks"

Latasha • Had ectopic pregnancy of march 2010, had 3 miscarriages December 2012-march 2013 with drs help. Had a rainbow baby girl August 27, 2015 and currently pregnant again naturally. 👏🏻
I would like to know what exactly they are supposed to feel like?? I've read some say cramps & she say your stomach tightening. I've had a few cramps but not last long when I lay down. I was wandering what to look for.