terça-feira, agosto 15, 2006

By 14 days after fertilisation (or when the women's period would have been due) the blastocyst becomes an 'embryo', implanted firmly into their mother's uterine lining. The embryo has all the vital building blocks in place to create an individual human being, and you don't even know you are pregnant yet!

(post com data alterada - publicado a 04/08/2006)

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