【健康科普】11周-14周早孕期胎儿超声检查，你该知道的事儿
<!----><style type="text/css">html{font-size:375%}</style><link href="https://pic.app.yilongnews.com/static/publish/css/style.css?v=1605251010499" rel="stylesheet" position="1" data-qf-origin="/static/publish/css/style.css?v=1605251010499"><!-- 付费贴--> <div class="preview_article "> <!----> <section class="article135" data-role="outer"><p> </p><section class="_135editor" data-tools="135编辑器" data-id="137630"><section style="margin: 10px auto;"><section style="width: 100%; height: 3px; background-color: #b1cff3; max-width: 100% !important; overflow: hidden; box-sizing: border-box;" data-width="100%"></section><section class="" style="border: 1px solid #ffd5b2; padding: 10px 10px; margin: 1px; box-sizing: border-box;"><section class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 16px; color: #666666; background-color: transparent;" data-autoskip="1"><p style="text-indent: 2.1875em;"><span style="font-size: 16px; color: #0c0c0c;">早孕期超声筛查可减少过大孕周畸形胎儿的引产，为孕妇产前诊断咨询及选择是否终止妊娠提供依据，降低出生缺陷患儿出生率。因此，早孕期产前诊断越来越被临床所重视。</span></p><section class="_135editor" data-tools="135编辑器" data-id="137204"><section style="margin: 10px auto;"><section style="display: flex; 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justify-content: flex-start; margin: 0 0 6px;"><section style="display: flex; flex-direction: column;"><section style="display: flex; justify-content: flex-start; align-items: center; z-index: 9;"><section style="flex-shrink: 0;"><section style="background: linear-gradient(to right top,#ffb373,#fffffe); padding: 1px; border-radius: 100%; box-sizing: border-box;"><section style="background-color: #fffeff; padding: 3px; border-radius: 100%; box-sizing: border-box;"><section style="background: linear-gradient(to right top,#ffb371,#fffffe); padding: 1px; border-radius: 100%; box-sizing: border-box;"><section style="background-color: #fffeff; padding: 3px; border-radius: 100%; box-sizing: border-box;"><section class="" style="font-size: 16px; color: #8495e8; width: 1.5em; height: 1.5em; border-radius: 100%; display: flex; justify-content: center; align-items: center; box-sizing: border-box;"><strong class="135brush" data-brushtype="text"> </strong></section></section></section></section></section></section><section><section style="font-size: 16px; color: #5f7ad2; text-align: center; padding: 0 15px 0 5px; box-sizing: border-box;"><strong class="135brush" data-brushtype="text">早孕期超声检查的目的是什么呢？</strong></section><section style="display: flex; align-items: center; justify-content: flex-end; margin-bottom: -5px;"><section style="width: 50%; border-top: 1px solid #b1cff3; margin: 0px 6px; height: 1px; overflow: hidden; box-sizing: border-box; max-width: 50% !important;" data-width="50%"></section><section style="flex-shrink: 0;"><section style="background-color: #ffd5b2; width: 5px; height: 5px; border-radius: 100%; overflow: hidden; box-sizing: border-box;"></section></section></section></section></section><section style="margin-top: -17px; display: flex; justify-content: flex-start;"><section class="assistant" style="width: 68px; box-sizing: border-box;"><img class="assistant" style="width: 100%; display: block; vertical-align: inherit; box-sizing: border-box; max-width: 100% !important;" draggable="false" src="https://bcn.135editor.com/files/images/editor_styles/33e013c47c9288872c8c62f6be1edda9.png" data-width="100%" data-ratio="0.3185840707964602" data-w="113" /></section></section></section></section><section style="background-color: #f9fbfe; padding: 10px 10px; box-sizing: border-box;"><section class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 16px; color: #666666; background-color: transparent;" data-autoskip="1"><p style="text-indent: 2.1875em;"><span style="font-size: 16px; color: #0c0c0c; font-family: arial, helvetica, sans-serif;">在妊娠早期，确认胎儿生机、准确判断孕周、确定胎儿数目，如多胎妊娠确定绒毛膜性和羊膜性是非常重要的。在早孕期末，超声还可以有机会去发现胎儿大体的异常，并在提供早孕期非整倍体筛查的医疗系统内，测量颈部透明层厚度（NT)。</span></p></section></section></section></section><p style="max-inline-size: 100%; margin: 0px 0px 5px; padding: 0px; clear: both; min-height: 1em; cursor: text; color: #000000; font-size: 17px; caret-color: #ff0000; text-decoration-thickness: initial; display: block; text-indent: 0em; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; text-align: center; font-family: 微软雅黑, 'Microsoft YaHei', sans-serif;" align="center"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; cursor: text; font-size: 16px; font-family: arial, helvetica, sans-serif;"><img style="vertical-align: inherit; width: 100%; box-sizing: border-box; max-width: 100% !important;" draggable="false" src="https://bexp.135editor.com/files/users/1115/11156255/202312/QQCZpaf8_dwHP.jpg?auth_key=1704038399-0-0-6d770377ad0a4c4cacf1bdcb96302fb4" alt="11-1403.jpg" data-ratio="0.8985507246376812" data-w="483" /></span></p><p style="max-inline-size: 100%; margin: 0px 0px 5px; padding: 0px; clear: both; min-height: 1em; cursor: text; color: #000000; font-size: 17px; caret-color: #ff0000; text-decoration-thickness: initial; text-indent: 2.1875em; display: block; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; text-align: justify; font-family: 微软雅黑, 'Microsoft YaHei', sans-serif;" align="justify"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; cursor: text; font-size: 16px; font-family: arial, helvetica, sans-serif;">NT是胎儿颈后透明带的英文缩写，是指胎儿颈背部皮下积液的厚度，是在孕11+0周－－孕14+0周之间，通过超声测量胎儿颈项透明层厚度，以此了解胎儿是否存在染色体异常的一项无创无辐射的超声检查方法，且不受进食影响。</span></p><p style="max-inline-size: 100%; margin: 0px 0px 5px; padding: 0px; clear: both; min-height: 1em; cursor: text; color: #000000; font-size: 17px; caret-color: #ff0000; text-decoration-thickness: initial; text-indent: 2.1875em; display: block; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; text-align: justify; font-family: 微软雅黑, 'Microsoft YaHei', sans-serif;" align="justify"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; cursor: text; font-size: 16px; font-family: arial, helvetica, sans-serif;">颈部透明带是胎儿期一个特殊的结构，早中孕期正常胎儿的颈后透明带厚度为0～3mm，会随着胎儿的生长逐渐消失。临床上观察发现，NT 增厚是胎儿染色体异常和结构畸形的独立相关因素，不良妊娠结局的风险与NT厚度成比例。</span><img style="margin: 0px; padding: 0px; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important; vertical-align: inherit; max-inline-size: 100%;" draggable="false" src="https://www.135editor.com/js/ueditor/themes/default/images/spacer.gif" data-ratio="1" data-w="1" /></p><p style="max-inline-size: 100%; margin: 0px 0px 5px; padding: 0px; clear: both; min-height: 1em; cursor: text; color: #000000; font-size: 17px; caret-color: #ff0000; text-decoration-thickness: initial; text-indent: 2.1875em; display: block; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; text-align: justify; font-family: 微软雅黑, 'Microsoft YaHei', sans-serif;" align="justify"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; cursor: text; font-size: 16px; font-family: arial, helvetica, sans-serif;">超声NT检查是早期发现胎儿异常的一种有效方法，是排除胎儿异常的第一步，在妊娠11+0周——14+0周时进行的常规孕早期超声检查，对于确认生存能力、多胎性、准确的孕龄测定、非整倍体筛查、主要结构异常的识别和早产先兆子痫筛查具有重要价值。</span></p><p style="max-inline-size: 100%; margin: 0px 0px 5px; padding: 0px; clear: both; min-height: 1em; cursor: text; color: #000000; font-size: 17px; caret-color: #ff0000; text-decoration-thickness: initial; text-indent: 2.1875em; display: block; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; text-align: justify; font-family: 微软雅黑, 'Microsoft YaHei', sans-serif;" align="justify"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; cursor: text; font-size: 16px; font-family: arial, helvetica, sans-serif;">NT厚度增加则胎儿异常的可能性增加，结合孕妇年龄和实验室检查，NT增厚常提示胎儿出现染色体异常，比如唐氏综合征、18-三体妊娠等。除胎儿早期结构异常畸形以外属于小排畸，颈项透明层越厚，胎儿异常概率越大。</span></p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="137632"><section style="margin: 10px auto; display: flex; justify-content: center;"><section class="135bg" style="background-image: url('https://bcn.135editor.com/files/images/editor_styles/89fa4fa9c15b9fa957da72453889f3a9.png'); background-size: 100% 100%; background-position: center center; padding: 0.7em 2em; background-repeat: no-repeat; box-sizing: border-box;"><section style="font-size: 16px; color: #5f7ad2; text-align: center;"><strong class="135brush" data-brushtype="text">11-14周胎儿解剖结构基本评估</strong></section></section></section></section><section class="_135editor" data-tools="135编辑器" data-id="129633"><section style="margin: 10px auto; display: flex; flex-direction: column;"><section style="display: flex; justify-content: flex-start; margin: 0 0 -25px; z-index: 9;"><section style="width: 25px; box-sizing: border-box;"></section></section><section style="border: 4px solid #c6e7ff; box-sizing: border-box;"><section class="" style="width: 100%; max-width: 100% !important; box-sizing: border-box;" data-width="100%"><img style="width: 100%; display: block; vertical-align: inherit; box-sizing: border-box; max-width: 100% !important;" draggable="false" src="https://bexp.135editor.com/files/users/1115/11156255/202312/K4JZkjBN_cpFu.jpg?auth_key=1704038399-0-0-32cee3b2e08e0f027411f4dcba9bf3ce" data-width="100%" data-ratio="1.0144444444444445" data-w="900" /></section></section><section style="display: flex; justify-content: flex-end; margin: -25px 0 0; z-index: 9;"><section style="width: 25px; box-sizing: border-box;"></section></section></section></section><p style="max-inline-size: 100%; margin: 0px; padding: 0px; clear: both; min-height: 1em; cursor: text; color: #000000; font-size: 17px; caret-color: #ff0000; text-decoration-thickness: initial; text-indent: 2.1875em; box-sizing: border-box !important; overflow-wrap: break-word !important; outline: none 0px !important; text-align: justify; font-family: 微软雅黑, 'Microsoft YaHei', sans-serif;" align="justify"><span style="font-size: 16px; caret-color: red; text-align: justify; text-indent: 2.1875em; background-color: transparent; font-family: arial, helvetica, sans-serif;">然而，我们知道，许多胎儿结构异常会在妊娠后期形成，即使是最好的仪器和最有经验的超声专家也未必能在早孕期及时发现胎儿异常。所以，怀孕后应按医嘱定期到医院进行检查，切勿错过NT等重要筛查，便于及时发现异常情况，有助于优生优育。</span></p></section></section><section style="width: 100%; height: 3px; background-color: #b1cff3; max-width: 100% !important; overflow: hidden; box-sizing: border-box;" data-width="100%"></section></section></section><p> </p><section class="_135editor" data-tools="135编辑器" data-id="137543"><section style="margin: 10px auto; display: flex; justify-content: center;"><section style="display: flex; background: linear-gradient(to top,#cefcf7,#fffffe); overflow: hidden;"><section style="flex-shrink: 0;"><section style="width: 25px; height: 100%; background-color: #fffffe; overflow: hidden; box-sizing: border-box; transform: skew(45deg) translateX(-15px); -webkit-transform: skew(45deg) translateX(-15px); -moz-transform: skew(45deg) translateX(-15px); -o-transform: skew(45deg) translateX(-15px);"></section></section><section style="font-size: 16px; color: #2e4b73; text-align: center; padding: 0 10px; box-sizing: border-box;"><strong class="135brush" data-brushtype="text">END</strong></section><section style="flex-shrink: 0;"><section class="empty_paragraph" style="width: 25px; height: 100%; background-color: #fffffe; overflow: hidden; box-sizing: border-box; transform: skew(-45deg) translateX(15px); -webkit-transform: skew(-45deg) translateX(15px); -moz-transform: skew(-45deg) translateX(15px); -o-transform: skew(-45deg) translateX(15px);"></section></section></section></section></section></section> <!----></div> 长知识了啊！！！！
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