研究表明压力大的母亲更易生女孩
<p><span word="Women">Women</span> <span word="who">who</span> <span word="are">are</span> <span word="stressed">stressed</span> <span word="while">while</span> <span word="trying">trying</span> <span word="for">for</span> <span word="a">a</span> <span word="baby">baby</span> <span word="are">are</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="have">have</span> <span word="girls">girls</span>, <span word="research">research</span> <span word="suggests">suggests</span>.</p><p>据英国《每日邮报》10月17日报道，研究表明，女性在计划怀孕产子时如果承受较大的压力，更有可能怀上女孩。</p><p><span word="A">A</span> <span word="study">study</span> <span word="found">found</span> <span word="that">that</span> <span word="those">those</span> <span word="who">who</span> <span word="were">were</span> <span word="under">under</span> <span word="pressure">pressure</span> <span word="at">at</span> <span word="home">home</span>, <span word="work">work</span> <span word="or">or</span> <span word="in">in</span> <span word="their">their</span> <span word="love">love</span> <span word="life">life</span> <span word="in">in</span> <span word="the">the</span> <span word="weeks">weeks</span> <span word="or">or</span> <span word="months">months</span> <span word="before">before</span> <span word="becoming">becoming</span> <span word="pregnant">pregnant</span> <span word="had">had</span> <span word="higher">higher</span> <span word="than">than</span> <span word="usual">usual</span> <span word="odds">odds</span> <span word="of">of</span> <span word="giving">giving</span> <span word="birth">birth</span> <span word="to">to</span> <span word="a">a</span> <span word="daughter">daughter</span> <span word="rather">rather</span> <span word="than">than</span> <span word="a">a</span> <span word="son">son</span>.</p><p>一项研究发现，那些在怀孕前处于家庭、工作或者感情生活压力下的女性，怀上女孩的几率比男孩大得多。</p><p><span word="The">The</span> <span word="finding">finding</span>, <span word="by">by</span> <span word="Oxford">Oxford</span> <span word="University">University</span> <span word="and">and</span> <span word="US">US</span> <span word="researchers">researchers</span>, <span word="means">means</span> <span word="the">the</span> <span word="economic">economic</span> <span word="downturn">downturn</span> <span word="could">could</span> <span word="see">see</span> <span word="more">more</span> <span word="women">women</span> <span word="give">give</span> <span word="birth">birth</span> <span word="to">to</span> <span word="daughters">daughters</span>. <span word="The">The</span> <span word="study">study</span> <span word="follows">follows</span> <span word="others">others</span> <span word="that">that</span> <span word="have">have</span> <span word="shown">shown</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="baby">baby</span> <span word="boys">boys</span> <span word="goes">goes</span> <span word="down">down</span> <span word="following">following</span> <span word="major">major</span> <span word="upheavals">upheavals</span>.</p><p>牛津大学和美国研究人员的这一发现意味着，在经济衰退时期，会有更多的女性产下女婴。在此之前，已有其他研究表明，在经历大的社会动乱之后新生男婴的总数会有所下降。</p><p><span word="For">For</span> <span word="instance">instance</span>, <span word="in">in</span> <span word="the">the</span> <span word="months">months</span> <span word="after">after</span> <span word="the">the</span> 9/11 <span word="terrorist">terrorist</span> <span word="attacks">attacks</span>, <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="boys">boys</span> <span word="born">born</span> <span word="in">in</span> <span word="New">New</span> <span word="York">York</span> <span word="plunged">plunged</span>, <span word="while">while</span> <span word="the">the</span> <span word="economic">economic</span> <span word="chaos">chaos</span> <span word="that">that</span> <span word="followed">followed</span> <span word="the">the</span> <span word="collapse">collapse</span> <span word="of">of</span> <span word="the">the</span> <span word="Berlin">Berlin</span> <span word="Wall">Wall</span> <span word="saw">saw</span> <span word="far">far</span> <span word="fewer">fewer</span> <span word="boys">boys</span> <span word="born">born</span> <span word="than">than</span> <span word="expected">expected</span> <span word="in">in</span> <span word="the">the</span> <span word="former">former</span> <span word="East">East</span> <span word="Germany">Germany</span> <span word="in">in</span> 1991.</p><p>比如，在9·11恐怖袭击后的数月内，纽约出生的男婴数量下降。而在柏林墙倒塌后引起的经济萧条时期，1991年东德出生的男婴比预期的少得多。</p>
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