Just wait til your 30+ weeks!!! That's when its REALLY rough
I'm s Ftm I get it to. In it can be painful in last up to 2mins ( the longest 2 minutes of my life lol) my doctor said it could be my baby back up against my back. The pains be so intense sometimes.
I get it every now and then my dr said it's not a probl it's normal. Ftm I'm 28 weeks