This is how the movements feel for me when they are down low. But they feel like regular kicks when they are up higher. Someone else told me they have the same thing when the kicks are down low so then I started thinking, could it be my bladder that is actually kind of contracting when I get a kick down low, so that I don't pee on myself? So the "convulsions" are actually my bladder? I don't know but otherwise, I'm afraid my baby is having seizures!
Does this happen when the kicks are near your bladder, like mine?