How long can an embryo that’s been frozen in preparation for in vitro fertilization attempts remain viable?  In the case of Celine Dion, who just announced she was pregnant with the couple’s second child, quite a while.

In fact, Dion’s doctor has told the media that the embryo used for this pregnancy was frozen eight years ago.  And that’s not the oldest embryo that’s remained viable after being frozen; others have survived for 10-15 years, according to medical reports.

Obviously, any couple who is considering in vitro fertilization should speak with their fertility specialists about the length that any embryos should remain in a frozen state. 

However, as Dion’s experience shows, it’s now possible for a woman in her twenties to wait years for in vitro once an embryo has undergone the freezing process.

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