人人终身学习知识网~是各类综合知识资源信息分享,提升综合素质与提高知识技能的终身学习网络平台

 找回密码
 立即注册

QQ登录

只需一步,快速开始

微信登录

微信扫码,快速开始

美国生育率下滑至历史新低

[复制链接]

Fertility rates in the United States are continuing their decades-long decline, due in large part to a steep slide in teenage pregnancies down to historic lows, according to a new government report released Thursday.

The National Center for Health Statistics said the pregnancy rate of 102 pregnancies out of every 1,000 women is 12 percent below the 1990 peak of about 116 per 1,000. Only once in the past 30 years, 1997, has it been lower, and only marginally, the center said.

Since 1990, the report said, pregnancy rates are down in almost every category. The only exception is among women over 30, whose pregnancy rate has increased steadily with every passing year. But the rate is declining among women in their 20s, who form the single largest group of pregnant women, and among teenagers of all races and ethnicities. The abortion rate also has dropped, reflecting a continuous slide since peaking in 1990.

回复

使用道具 举报

小黑屋/人人终身学习知识网~是各类综合知识资源信息分享,提升综合素质与提高知识技能的终身学习网络平台

Powered by 5wangxiao

© 2007-2021 5wangxiao.Com Inc.

快速回复 返回顶部 返回列表