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<p style="text-align:center"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><br /></span></strong></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;">1.胎儿头臀径的测量</span></strong></p><p><br /></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; line-height: 1.6; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">胎儿头臀径系指胎儿头顶至臀部间的最大距离，此径线被认为是估算胎儿的最准确的方法，如未找到顶臀最大径线，或将卵黄囊测量在内均会出现数值偏小或偏大，此参数适合在孕6~12周测量，寻找出头臀径三次取其平均数。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">头臀径的估算方法：</span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">孕龄（周）= <span style="max-width: 100%; line-height: 28.8px; box-sizing: border-box !important; word-wrap: break-word !important;">头臀径</span> + 6.5</span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">2.胎儿颈项部位透明层（Nuchal translucidity ，NT）厚度测量</span></strong></span></p><p><br /></p><p style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">检查孕周在11-13周+6天之间进行，测量方法：在胎儿体位自然屈曲时，取正中矢状切面时，显示胎儿颈背部皮下组织，测量其皮肤与脊柱表面软组织间无回声区的最大径线。 NT正常值≤3mm， NT大于正常，据文献报道约10%为胎儿染色体异常，应建议临床医师行染色体检查。 NT正常范围：孕10周≤1.8mm，孕11周≤1.9mm，孕12周≤2.1mm，孕13周≤2.5mm，也可采用平均值孕10-13周，NT≤2.5mm。</span></p><p><br /></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">3.胎头的测量</span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">胎儿颅骨环在孕12周显示清晰，胎头测量内容多，双顶径（BPD）、头围（HC）、枕额径（OFD）、胎头的面积（HA）等。常用双顶径和头围。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">在测量双顶径及头围前必须先找出颅骨的标准切面，此切面接近丘脑的冠状断面，这个断面为两个丘脑均呈椭圆形，此为颅骨最大径，也为测量胎头的标准平面。</span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">1.双顶径测量方法：</span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 0, 0); font-size: 18px; line-height: 1.6; box-sizing: border-box !important; word-wrap: break-word !important;">找出胎头标准平面后测量其最大横径，测量指示点：近场颅骨壁外缘至远场颅骨壁内缘。双顶径在31周前平均每周增大3mm，孕31~36周平均增长1.5mm，孕36周后平均每周增长1mm。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">双顶径准确性受多种因素影响。测量时一定要选择胎头为椭圆形，两侧大脑半球相等，脑中线居中为断续显示，并显示丘脑结构，在此切面测量双顶径较为准确。</span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">2.头围（HC）测量方法：</span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">头围的测量较为准确，可以弥补双顶径的误差。测量方法；利用超声仪器圆周的描记功能来定的。</span><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">4.腹围（AC）</span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">胎儿腹径及腹围的测量亦须找出标准平面，腹围标准平面是在胎儿脐部与脊柱垂直平面，胎腹内可看到脊柱、脐静脉、胃泡及肝脏。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">胎儿腹围测量方法：应用圆周功能键，得出腹围数。</span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><br /></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="text-align:center"><img data-s="300,640" data-type="jpeg" src="http://mmbiz.qpic.cn/mmbiz/dx3KibwtDhvdDDJUcAPhc4UvCBddLyBSnvzjNGbibQDLfqkUibHibOqZNibEdiacBv3ic1SYVv0lKficSCLEgQGDMH5p6Q/0?wx_fmt=jpeg" data-ratio="0.7133333333333334" data-w="300" /></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br /></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; line-height: 1.6; box-sizing: border-box !important; word-wrap: break-word !important;">5.股骨的测量</span></strong></span></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br /></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">胎儿肢体长短的测量可推测孕龄，亦可推测胎儿死亡时间，并且对胎儿短肢畸形的诊断与发现有价值。孕15周就可以测股骨长，首先找出股骨最长径线，测量两端间距。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">6.胎儿多参数的测量</span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">目前常用的参数为BPD双顶径、HC头围、AC腹围、FL股骨，多参数可弥补单个参数的误差，可以提高孕龄估计的准确性，还可以估计胎儿身体各部分生长情况。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">7.羊水的测量</span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">羊水与胎儿有密切的关系。因此也最能反映胎儿的生理和病理状态。正常情况下羊水量随妊娠的进展而增加，至孕38周达高峰，孕42周后，羊水量迅速下降。正常足月羊水量为1000ml，如羊水量少于500ml为羊水少，羊水量超过2000ml成为羊水过多。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">1、羊水的超声表现和测量：</span></strong><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;"></span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">羊水回声为清亮液体，早中期，胎儿漂浮在羊水中，晚孕期羊水在胎儿的四周。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">晚期常见羊水中浮着点状胎脂，或较密集的胎脂。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">2、羊水测量的方法：</span></strong><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;"></span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">a、羊水深度测量：垂直水平测量羊水的最大深度<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">b、羊水指数测量：在羊水过少情况下需要测量四个象限的羊水，以肚脐为中心划一个“+”字，分别测量右上、右下、左上、左下的羊水深度。其和小于80mm为羊水过少，大于25mm为羊水过多。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">目前多采用探头垂直水平测量羊水最大深度，规定为小于等于3mm为羊水过少，3~8mm为正常，大于8mm为羊水过多。</span></p><p><br /></p><p style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></strong></span></p><p style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(123, 12, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;">8.超声对胎儿各孕周体重的测量</span></strong></span></p><p><br /></p><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; line-height: 1.6; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">产科医生在产前对胎儿体重的估算常常依赖于母体的腹围及宫底来估计而成，往往依赖临床经验。而超声检查根据胎儿双顶径、头围、腹围及股骨长度多个生长参数估算胎儿体重。<br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); white-space: normal; line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">数年的临床实践证明应用双顶径，头围，腹围，股骨径，取其任何一种测量观测胎儿的生长发育都不能达到预期的效果，应用多种参数测量综合分析以弥补一种测量方法带来的误差，多种参数测量可较为准确的估计胎儿身体各部位的生长情况，提高对妊娠周数估算的准确性。在临床工作中对于产科触诊不满意或估计胎儿过大及宫内发育迟缓的胎儿可以用多种参数测量方法描记生长曲线图，以测算胎儿的生长状况。</span></p><section style="max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); line-height: 21.3333px; white-space: normal; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;" /></section><p><br /></p><p style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">总之超声检查对胎儿无创伤，其安全性高诊断较为准确，是目前产科首选的检查方发，但超声检查不等同于病理诊断，它具有一定的局限性，如产科超声检查受母体肥胖，胎儿宫内姿势，胎儿骨骼声影，羊水量多少等各种因素影响，某些胎儿器官或部位可能会不显示或显示不清。另外胎儿生长发育是一个动态发展过程，在其器官结构没发展到一定阶段或没发育到某种程度时，超声检查是不易发现的，某些胎儿结构异常可能会在胎儿发育过程中逐渐显示出来，如：胎儿心脏异常，胎儿肾脏异常等。</span></strong></p><p style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></strong></p><p style="text-align:center"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><img data-s="300,640" data-type="jpeg" src="http://mmbiz.qpic.cn/mmbiz/dx3KibwtDhvdDDJUcAPhc4UvCBddLyBSnKLb0UbR1Gb8jfbUXmClbUDbEaKyqHU6cY7mVQf3XaYWaicsYKEiaXQrA/0?wx_fmt=jpeg" data-ratio="0.944206008583691" data-w="233" /><br /></span></strong></p><p style="text-align:center"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;"><br /></span></strong></p><p style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 18px; color: rgb(0, 0, 0); box-sizing: border-box !important; word-wrap: break-word !important;">当然超声作为一种产科筛查手段所涵盖的内容很多，它包括检测产科生理和产科病理的许多内容，本章节只对胎儿生长参数予以交代，使已经妊娠的妈妈们对胎儿的生长发育和超声检查的作用，以及对胎儿生长指标值和各孕周胎儿体重值有所了解。</span></strong></p><p><br /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; font-size: 14px; line-height: 24px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(249, 249, 249);">广州市设备维修有限公司</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">地址：广州市天河区银利街银利茶叶博览中心E栋4楼E4030室 邮编：510507</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">电话：(+86)020-8722 8723 8764 5360 8764 2943 传真：020-8722 8623</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">全国统一免费服务热线：400-020-6788</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">微信公众帐号：</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img data-ratio="1" data-type="jpeg" data-w="120" width="auto" src="http://mmbiz.qpic.cn/mmbiz/dx3KibwtDhvfCZvZq5PcthnDKlnnq3AalhbichW77J3B70osicTickklZybNKUZqc44DZ0oaWaHm2p0TaA9478icwPg/640?wx_fmt=jpeg" style="box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">维修咨询：QQ: 712638 404</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">设备咨询: QQ: 712638 405</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">软件咨询：QQ: 712638 406</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">配件咨询：QQ: 712638 407</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">交流Q群：1106 11074</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">网址：http://www.yiliaoshebeiweixiu.com</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; line-height: 24px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">电子邮箱：service@yiliaoshebeiweixiu.com</span></p><p style="line-height: 21.3333px;"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; 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发表于 2020-10-19 23:52:54