Pregnancy Support Group
Welcome to the waiting room for anticipating moms and dads. Whether you're expecting your first or a new little brother or sister, meet other parents in this community who are also looking forward to a new addition to the family.
I also know that at 20 weeks, I was sleeping in a really strange position and got something like a charlie-horse in my abdomen from that. I bought a maternity pillow and haven't had that since.
Some people might think implantation...but that sounds too severe of pain to be that.
I'd call your doctor!