【】懷孕到了5個月的怀孕孩時候
懷孕到了5個月的怀孕孩時候,也被稱為懷孕期間的个月蜜月期 ,可以說是怀孕孩懷孕期間最舒適的階段。此時,个月準媽媽和胎兒已進入穩定期 ,怀孕孩早孕反應已經消失,个月孕婦的怀孕孩身體和情緒更加順暢。嬰兒的个月動作不僅靈活,而且更加協調 。怀孕孩嬰兒現在可以聽到周圍發生的个月事情 ,他的怀孕孩反應方式是變得更加活躍。那麽,个月懷孕五個月的怀孕孩胎兒多大了?
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懷孕5個月的胎兒有多大
1、孕17周:胎兒從頭到臀長約有13cm,个月重約150-200克 。怀孕孩雙頂徑的平均值為3.97±0.44cm ,腹圍的平均值為11.49±1.62cm,股骨長為2.52±0.44cm。
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2、孕18周:胎兒從頭到臀長約有14 cm ,重200克。雙頂徑的平均值為4.25±0.53cm,腹圍的平均值為12.41±l.89cm,股骨長為2.71±0.46cm 。
3、孕19周 :胎兒從頭到臀部大概有15cm ,重225克。雙頂徑的平均值為4.52±0.53cm,腹圍的平均值為13.59士2.30cm,股骨長為3.03±0.5cm 。
4、孕20周:胎兒從頭到臀長約有16.5cm,從頭到腳長約有 25.4cm ,重250克 。雙頂徑的平均值為4.88士0.58cm ,腹圍的平均值為14.80士l.89 cm ,股骨長為3.35士O.47 cm。
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懷孕5個月胎兒發育情況
此時的胎寶寶在子宮裏怡然自得哦!此時胎兒的頭已占全身長的1/3,耳朵的入口張開 ,牙床開始形成,頭發、眉毛齊備 。手指腳趾長出指甲 ,並呈現出隆起 ,胎寶寶還會用口舔嚐吸吮拇指 ,那樣子就像在品味手指的味道 。由於皮下脂肪開始沉積,現在的他皮膚變成半透明,但皮下血管仍清晰可見,看起來有點嚇人哦!不過他的骨骼和肌肉越來越結實了 ,是個健壯的小人兒 ,生殖器也已經清晰可見啦。
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