Objective: To explore the relationship between cerebral palsy and the parity, birth weight in twins.
目的：探讨双胎儿童的产次、出生体重与脑瘫发病率之间的关系。
2
Objective: To explore the relations between cerebral palsy and the parity, birth weight in twins.
目的：探讨双胎儿童的产次、出生体重与脑瘫发病率之间的关系。
3
The results show that estimates the value of the fixed effects of stillbirth and mummies were from larger than large is species, parity, birth month and month of breeding.