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醫(yī)生告訴你NT圖看男女看哪個角度，NT胎兒男女區(qū)別對照圖

出處：媽媽育兒網(wǎng) 日期：2019-10-26 15:35:28 編輯：小鈺
在國外還是有通過超聲胎兒性別的方法的，其中最簡單的方式就是看寶寶的第二性征，那么NT檢查圖看男女看哪個角度呢，NT胎兒男女區(qū)別對照圖，更多關(guān)于生男生女的相關(guān)內(nèi)容盡在媽媽育兒網(wǎng)。

醫(yī)生告訴你NT圖看男女看哪個角度：

NT檢查其實也是醫(yī)學(xué)超聲檢查的一種分類，NT指的是出現(xiàn)在胎兒頸部的一個透明液體，它的作用主要是用于胎兒早期唐氏綜合征的風(fēng)險評估，全稱為Nuchal Translucency，意思是頸部透明帶，既然是超聲檢查NT的圖像也是可以看到寶寶的第二性征的，那么NT圖看男女看哪個角度呢？
NT單子上會有寶寶的圖片，我們在圖片上可以看到具有性征的一些身體特點(diǎn)，男孩的特征點(diǎn)與身體呈45度角，還多一些，而女孩兒的特征點(diǎn)幾乎和軀體平行。還有就是如果是男寶寶，屁股位置會微微上翹，后背脊柱成圓弧狀，因為要留空間發(fā)育前列腺，相反，女寶寶后背脊柱就相對就平一些。
（NT胎兒男女對照圖）

為什么要做NT檢查？

有報道顯示NT增加的胎兒，流產(chǎn)率和圍產(chǎn)兒死亡率有明顯的增加。若NT大于等于2.5mm，畸形的80%已經(jīng)發(fā)生。
在懷孕11-14周期間，如果胎兒是唐氏兒或者是心臟發(fā)育不好的話頸項透明層會增厚。一般認(rèn)為在10～14周測量NT較好，此時頭臀長相當(dāng)于45～84mm?？捎媒?jīng)腹部或經(jīng)陰道超聲測量， 10～13周98%～100%可測量NT的厚度，而14周則降至11%。
由于孕11周前胎兒過小無法難以觀察頸后透明帶，而孕14周后由于胎兒逐漸發(fā)育，可能會將頸項透明層出多余的體液吸收，影響檢測結(jié)果，因此孕婦最好在懷孕11-14周內(nèi)去做NT，以免檢查結(jié)果不準(zhǔn)確。

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