multiparity

例句：

1. 1. The multiparity of the population is a concern for policymakers.
   人口的多产性是政策制定者关注的问题。
2. 2. The study found that women with higher levels of multiparity had better health outcomes.
   研究发现，生育能力较高的女性拥有更好的健康结果。
3. 3. The animal's multiparity is an important factor in its survival strategy.
   动物的多产性是其生存策略中的一个重要因素。