更低价更温和的试管婴儿方案
<p><span word="With">With</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="babies">babies</span> <span word="born">born</span> <span word="through">through</span> <span word="in">in</span> <span word="vitro">vitro</span> <span word="fertilization">fertilization</span> <span word="at">at</span> <span word="an">an</span> <span word="all">all</span>-<span word="time">time</span> <span word="high">high</span>, <span word="some">some</span> <span word="doctors">doctors</span> <span word="are">are</span> <span word="trying">trying</span> <span word="an">an</span> <span word="alternative">alternative</span> <span word="that">that</span> <span word="potentially">potentially</span> <span word="could">could</span> <span word="be">be</span> <span word="less">less</span> <span word="expensive">expensive</span> <span word="and">and</span> <span word="less">less</span> <span word="taxing">taxing</span> <span word="on">on</span> <span word="a">a</span> <span word="woman">woman</span>'<span word="s">s</span> <span word="body">body</span>.</p><p>随着试管婴儿的数量创下历史最高纪录，部分医生开始尝试有可能花费更低、对女性身体的损害也较轻的替代方法。</p><p><span word="Some">Some</span> <span word="fertility">fertility</span> <span word="clinics">clinics</span> <span word="are">are</span> <span word="offering">offering</span> <span word="a">a</span> <span word="gentler">gentler</span> <span word="version">version</span> <span word="of">of</span> <span word="IVF">IVF</span> <span word="that">that</span> <span word="uses">uses</span> <span word="fewer">fewer</span>, <span word="milder">milder</span> <span word="drugs">drugs</span> <span word="and">and</span> <span word="requires">requires</span> <span word="less">less</span> <span word="frequent">frequent</span> <span word="medical">medical</span> <span word="visits">visits</span>.</p><p>一些妇产医院推出了更温和的试管受孕方案，它采用的药物更少更温和，患者也可减少去看医生的次数。</p><p><span word="Success">Success</span> <span word="rates">rates</span> <span word="aren">aren</span>'<span word="t">t</span> <span word="well">well</span> <span word="established">established</span>. <span word="The">The</span> <span word="American">American</span> <span word="Society">Society</span> <span word="for">for</span> <span word="Reproductive">Reproductive</span> <span word="Medicine">Medicine</span> <span word="says">says</span> <span word="pregnancy">pregnancy</span> <span word="rates">rates</span> <span word="from">from</span> <span word="minimal">minimal</span>-<span word="stimulation">stimulation</span> <span word="IVF">IVF</span> <span word="are">are</span> <span word="likely">likely</span> <span word="to">to</span> <span word="be">be</span> <span word="lower">lower</span> <span word="than">than</span> <span word="with">with</span> <span word="traditional">traditional</span> <span word="IVF">IVF</span>. <span word="Indeed">Indeed</span>, <span word="if">if</span> <span word="the">the</span> <span word="milder">milder</span> <span word="kind">kind</span> <span word="doesn">doesn</span>'<span word="t">t</span> <span word="succeed">succeed</span> <span word="and">and</span> <span word="women">women</span> <span word="return">return</span> <span word="for">for</span> <span word="additional">additional</span> <span word="cycles">cycles</span>, <span word="the">the</span> <span word="cost">cost</span> <span word="can">can</span> <span word="quickly">quickly</span> <span word="approach">approach</span> <span word="or">or</span> <span word="exceed">exceed</span> <span word="traditional">traditional</span> <span word="IVF">IVF</span>, <span word="some">some</span> <span word="doctors">doctors</span> <span word="say">say</span>.</p><p>不过，该类方案的成功率还不确定。美国生殖医学协会(<span word="American">American</span> <span word="Society">Society</span> <span word="for">for</span> <span word="Reproductive">Reproductive</span> <span word="Medicine">Medicine</span>，简称“<span word="ASRM">ASRM</span>”)称，微刺激试管受孕方案的妊娠率有可能低于传统方案的妊娠率。有些医生指出，假如温和方案没有成功，患者又重新开始新一轮治疗的话，其费用会很快接近甚或超过传统方案的花费。</p><p><span word="For">For</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span>, <span word="the">the</span> <span word="organization">organization</span> <span word="that">that</span> <span word="publishes">publishes</span> <span word="clinics">clinics</span>' <span word="success">success</span> <span word="rates">rates</span>, <span word="the">the</span> <span word="Society">Society</span> <span word="for">for</span> <span word="Assisted">Assisted</span> <span word="Reproductive">Reproductive</span> <span word="Technology">Technology</span> <span word="says">says</span> <span word="it">it</span> <span word="will">will</span> <span word="break">break</span> <span word="out">out</span> <span word="success">success</span> <span word="rates">rates</span> <span word="for">for</span> <span word="minimal">minimal</span>-<span word="stimulation">stimulation</span> <span word="cycles">cycles</span> <span word="in">in</span> <span word="its">its</span> 2017 <span word="statistics">statistics</span>, <span word="which">which</span> <span word="will">will</span> <span word="be">be</span> <span word="released">released</span> <span word="in">in</span> 2016. <span word="The">The</span> <span word="odds">odds</span> <span word="of">of</span> <span word="successfully">successfully</span> <span word="having">having</span> <span word="a">a</span> <span word="baby">baby</span> <span word="after">after</span> <span word="any">any</span> <span word="form">form</span> <span word="of">of</span> <span word="IVF">IVF</span> <span word="averaged">averaged</span> <span word="about">about</span> 37% <span word="per">per</span> <span word="cycle">cycle</span> <span word="in">in</span> 2017. <span word="The">The</span> <span word="odds">odds</span> <span word="vary">vary</span> <span word="by">by</span> <span word="factors">factors</span> <span word="including">including</span> <span word="a">a</span> <span word="woman">woman</span>'<span word="s">s</span> <span word="age">age</span> <span word="and">and</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="eggs">eggs</span> <span word="retrieved">retrieved</span>.</p>
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