Amid all the talk about the ever-increasing availability of in vitro fertilization techniques, one issue is almost never mentioned; namely, what happens to all those extra embryos?
It's a topic that, for whatever reason, has been de-emphasized by most pro-lifers.
Yet, a recently publicized study by researchers at Yale School of Medicine suggests that 85% of the embryos transferred during in vitro fertilization never make it to birth.
Vital Signs Blog has the rest.



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