71.   The problem is that the embryos are destroyed in the process.

72.   The society has advised clinics that they may destroy embryos if they have diligently tried to contact the patients for five years.

73.   The source of the cells remains a controversial issue because human embryos are destroyed in the process of isolating the stem cells from them.

74.   The statement did not rule out research on excess embryos created in infertility clinics but subsequent action by Congress banned all research in which a human embryo is destroyed.

75.   The two letters refer to three-year-old law that forbids federal money to be used for any research in which an embryo is destroyed.

76.   The Tennessee court allowed the man to have the embryos destroyed against the wishes of the woman, who wanted them preserved and given to another couple.

77.   Therapeutic cloning, however, has pitted humanitarian and scientific interests against pro-life adherents, who oppose the practice because harvesting stem cells destroys the embryo.

78.   These nascent embryos must be destroyed to extract the stem cells.

79.   They called it experimenting on the unborn and likened it to murder because removing stem cells requires that the embryos be destroyed.

80.   This skirted a law against federal money being used to destroy embryos.