【】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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