Females increased reproductive output mainly through increasing clutch size and egg size.
雌体通过增加窝卵数和卵大小增加繁殖输出。
The relative clutch mass was negatively correlated with maternal size, indicating that the smaller reproductive female had the relatively greater reproductive output.
相对窝卵重与母体体长呈显著的负相关，表明较小的母体具有相对较大的繁殖输出。
The increasing ability of women in the developed world to control their own reproductive output is one, as is the related phenomenon of women entering the workplace in large numbers.
发达国家的妇女越来越有能力控制自己的生育数量是原因之一，这是与大量的妇女进入工作场所相关联的一个现象；
If circumstances do not favour her at the time (perhaps the father has deserted her) the cost to her total reproductive output of bringing up a child may exceed the risk of killing it.
如果此时环境不利于她(可能孩子的父亲抛弃了她)，那么抚养孩子，这作为她生殖的总体产物，其代价要超过杀死这个孩子所冒的风险。
If circumstances do not favour her at the time (perhaps the father has deserted her) the cost to her total reproductive output of bringing up a child may exceed the risk of killing it.
如果此时环境不利于她(可能孩子的父亲抛弃了她)，那么抚养孩子，这作为她生殖的总体产物，其代价要超过杀死这个孩子所冒的风险。
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