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==Controversy==

==Controversy==

[[Pro-life]] conservatives consider taking stem cells from human embryos tantamount to [[abortion]], as a potential human life is ended.  

[[Pro-life]] conservatives consider taking stem cells from human embryos tantamount to [[abortion]], as a potential human life is ended, even though stem cells are only taken from the umbilical cord blood of an born fetus. <ref>http://www.ncbi.nlm.nih.gov/pubmed/16969445

: Those who value human life from the point of [[conception]], oppose embryonic stem cell research because the extraction of stem cells from this type of an embryo requires its destruction. In other words, it requires that a [[human life]] be killed.<ref> [http://www.allaboutpopularissues.org/pros-and-cons-of-stem-cell-research.htm Pros And Cons Of Stem Cell Research]</ref>

: Those who value human life from the point of [[conception]], oppose embryonic stem cell research because the extraction of stem cells from this type of an embryo requires its destruction. In other words, it requires that a [[human life]] be killed.<ref> [http://www.allaboutpopularissues.org/pros-and-cons-of-stem-cell-research.htm Pros And Cons Of Stem Cell Research]</ref>