The normal closure of the ventricular septum.
D001724:Birth Weight; D002547:Cerebral Palsy / Q000150:complications*; D006345:Heart Septal Defects, Ventricular / Q000150:complications*; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D008607:Intellectual Disability / Q000150:complications*; D011446:Prospective Studies