[VeritatisSplendor]

Stem cells from amniotic fluid and placentas are not considered embryonic stem cells. They are actually "adult" stem cells, although more versatile than most.

The embryonic stem cells scientists keep hoping they'll find some use for are those that come from very early, very little differentiated embryos.

Mrs VS

[MHGinTN]

Here's a link to an article at WP which you'll find interesting. [http://www.washingtonpost.com/wp-dyn/content/article/2007/01/07/AR2007010700674.html]

You can google 'embryonic stem cells in amniotic fluid' and read many more articles covering this very recent discovery.