Objective To elucidate the effects of early intervention on intelligence development of infant twins.
Methods 88 infant twins(triplets)born during Sep.2000-Aug.2002 were assigned to three groups: early intervention group(A)41 cases; comparision group(B)47 cases; normal comparison group(C)51 cases. When infants group A born for one month, early intervention was given to them. All the infants in the above three groups received infant development test of Child Developmentd Centre of China (CDCC) when they were at the corrected age of one year old.
Results Average scores of mental development index(MDI)and psychomotor development index(PDI)in group A were 8.9 and 7.0, respectively, higher than those in group B, there were significant difference between A and B groups.(P < 0.01, 0.05).Both MDI and PDI scores in group A caught up with those in group C; but in B, the scores were 13.7 and 8.4, respectively, lower than those in group C, there were significant difference between B and C group.(P < 0.001, 0.05).In height and head circumference there were no significant difference between A, B and C groups. In weight, A nd B were lower than those in group C infants(P < 0.01, 0.05).
Conclusion Early intervention could promote intellectual development of infant twins.
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