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妊娠 |
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在孕婦能夠分娩一個足月的寶寶之前，在她的體內會發生令人心醉的和非常複雜的胎兒發育過程。甚至於至今，我們還沒有完全弄清楚這個過程的精確機制。不過，我們能夠描述它的主要發育階段。本節將概述受精卵通過數個發育階段如何發育成在子宮外能存活的和獨立的人類個體，也將講述孕婦怎樣經歷這一胎兒發育過程。 |
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Pregnancy |
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Before a woman can deliver a healthy baby, a fascinating and extremely complex process of growth has to take place within her body. Even today, the exact mechanisms of this process are not completely understood. Nevertheless, its main phases can be described. The following sections summarize how the fertilized egg develops through various stages into a viable and independent human being and how this development is experienced by the pregnant woman. |
