中新网国际新闻: 美国女性孕龄渐偏大 婴儿出生率持续下降

中新网国际新闻

美国女性孕龄渐偏大 婴儿出生率持续下降 Oct 22nd 2018, 13:47 　　中新网10月22日电 据美国侨报网报道，一份新出炉的美国政府报告显示，美国妇女生育的孩子越来越少，而她们的孕龄也在变得原来越晚。

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