... 出生胎次别生育率 Birth order-specific fertility rate 出生胎次 Birth parity 出生率 Birthrate ...
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age-parity-specific birth rate 年龄胎次别出生率
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。
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。
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.
通过固定效应值估计发现，对死胎和木乃伊的影响从小到大依次为品种、胎次、配种月份和产仔月份。
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