Stomach vibrating?

phylisha • 🤰#2 9/16/21 🌈👶1/10/20

For the past hour or two my stomach has been going spastic and almost vibrating is this normal? Is she just moving a bit different than normal? I’m 38+3 and have already lost my mucus plug and had bloody show but no other symptoms of labor besides nausea so I’m getting paranoid