Ocata Therapeutics Inc fka OCAT

[rumit]

Some comparison rates from UCSF Center for Reproductive Health:

What percentage of embryos will grow to the blastocyst stage in culture?

For younger patients, up to 50% of all embryos will continue to grow to the blastocyst stage. However, 10% of patients will not have an opportunity for embryo transfer due to the absence of blastocyst development. As patients get older, fewer and fewer numbers of embryos are capable of developing in culture to the blastocyst stage.

http://www.ucsfivf.org/ucsf-ivf2.htm

EDIT: This is of course for IVF purposes.