What happens to surplus embryos from IVF or embryo freezing?

We’ve at times talked about eggs and embryos in a somewhat utilitarian way on this blog. However, thinking about the fate of human embryos and eggs is a complex and deeply personal matter. The complexity of how people feel and think about frozen eggs or embryos is reflected in different countries’ legislations about what you are and aren’t allowed to do with any surplus eggs or embryos. As assisted reproductive technologies that can create this kind of surplus haven’t been around for very long, some laws are still in flux or being updated.

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