two aetiologically and clinically distinct kinds of mnd were distinguished on the basis of a neurological cluster profile : mnd-1 ( one or two abnormal clusters ) was only associated with a birthweight below the 2.3 centile and male gender , and mnd-2 ( more than two abnormal clusters ) was associated with neonatal neurological findings , social class , obstetrical optimality score and gender .
C0086582
male gender
C0079399
gender