I had that. I called and if there is no bleeding they always said take Tylenol. They said its stuff stretching. Ifnyou are beelding, go to the er
I did. Is still have weird pains sometimes. I am 23 weeks. My doctor said they are just my body stretching and making room for baby. Could also be constipation or gas. My doctor also told me to call if I ever feel like I need to. Its better to be safe than sorry. If you are really worried, just call. No shame in that.