Ask an obstetrician what abnormal fetal movement means, and the answer is usually about too little of it. Reduced movement is the classic warning sign, the one linked to fetal akinesia and the joint contractures of arthrogryposis.
There is a rarer and stranger pattern at the other end of the spectrum: a fetus having seizures in utero. And according to a review of every case reported in the medical literature, the person most likely to notice is the mother.
