美国生育率下滑至历史新低
<p><span word="Fertility">Fertility</span> <span word="rates">rates</span> <span word="in">in</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="are">are</span> <span word="continuing">continuing</span> <span word="their">their</span> <span word="decades">decades</span>-<span word="long">long</span> <span word="decline">decline</span>, <span word="due">due</span> <span word="in">in</span> <span word="large">large</span> <span word="part">part</span> <span word="to">to</span> <span word="a">a</span> <span word="steep">steep</span> <span word="slide">slide</span> <span word="in">in</span> <span word="teenage">teenage</span> <span word="pregnancies">pregnancies</span> <span word="down">down</span> <span word="to">to</span> <span word="historic">historic</span> <span word="lows">lows</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="government">government</span> <span word="report">report</span> <span word="released">released</span> <span word="Thursday">Thursday</span>.</p><p><span word="The">The</span> <span word="National">National</span> <span word="Center">Center</span> <span word="for">for</span> <span word="Health">Health</span> <span word="Statistics">Statistics</span> <span word="said">said</span> <span word="the">the</span> <span word="pregnancy">pregnancy</span> <span word="rate">rate</span> <span word="of">of</span> 102 <span word="pregnancies">pregnancies</span> <span word="out">out</span> <span word="of">of</span> <span word="every">every</span> 1,000 <span word="women">women</span> <span word="is">is</span> 12 <span word="percent">percent</span> <span word="below">below</span> <span word="the">the</span> 1990 <span word="peak">peak</span> <span word="of">of</span> <span word="about">about</span> 116 <span word="per">per</span> 1,000. <span word="Only">Only</span> <span word="once">once</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> 30 <span word="years">years</span>, 1997, <span word="has">has</span> <span word="it">it</span> <span word="been">been</span> <span word="lower">lower</span>, <span word="and">and</span> <span word="only">only</span> <span word="marginally">marginally</span>, <span word="the">the</span> <span word="center">center</span> <span word="said">said</span>.</p><p><span word="Since">Since</span> 1990, <span word="the">the</span> <span word="report">report</span> <span word="said">said</span>, <span word="pregnancy">pregnancy</span> <span word="rates">rates</span> <span word="are">are</span> <span word="down">down</span> <span word="in">in</span> <span word="almost">almost</span> <span word="every">every</span> <span word="category">category</span>. <span word="The">The</span> <span word="only">only</span> <span word="exception">exception</span> <span word="is">is</span> <span word="among">among</span> <span word="women">women</span> <span word="over">over</span> 30, <span word="whose">whose</span> <span word="pregnancy">pregnancy</span> <span word="rate">rate</span> <span word="has">has</span> <span word="increased">increased</span> <span word="steadily">steadily</span> <span word="with">with</span> <span word="every">every</span> <span word="passing">passing</span> <span word="year">year</span>. <span word="But">But</span> <span word="the">the</span> <span word="rate">rate</span> <span word="is">is</span> <span word="declining">declining</span> <span word="among">among</span> <span word="women">women</span> <span word="in">in</span> <span word="their">their</span> 20<span word="s">s</span>, <span word="who">who</span> <span word="form">form</span> <span word="the">the</span> <span word="single">single</span> <span word="largest">largest</span> <span word="group">group</span> <span word="of">of</span> <span word="pregnant">pregnant</span> <span word="women">women</span>, <span word="and">and</span> <span word="among">among</span> <span word="teenagers">teenagers</span> <span word="of">of</span> <span word="all">all</span> <span word="races">races</span> <span word="and">and</span> <span word="ethnicities">ethnicities</span>. <span word="The">The</span> <span word="abortion">abortion</span> <span word="rate">rate</span> <span word="also">also</span> <span word="has">has</span> <span word="dropped">dropped</span>, <span word="reflecting">reflecting</span> <span word="a">a</span> <span word="continuous">continuous</span> <span word="slide">slide</span> <span word="since">since</span> <span word="peaking">peaking</span> <span word="in">in</span> 1990.</p>
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