We present a case of chronic subdural hematoma diagnosed in utero by u
ltrasonography, and MRI at 31 weeks gestation. No cause of usual intra
cranial hemorrhage was found. There was no trauma. The child was opera
ted after induced vaginal delivery at 37 weeks gestation, with good re
sults and normal neuropsychological development after one year. We dis
cuss the symptomatology and the therapeutic attitude in such cases.