The Science of IVF: What to know about Alabama’s ‘extrauterine children’ ruling

An illustration of the blastocyst stage of embryo development at about 5 to 9 days after fertilization. The outer layer will grow to form the placenta. The inner cells will become the fetus.

Why are so many frozen embryos created? And how is the Alabama Supreme Court ruling likely to affect IVF in the future? Here’s what you need to know.

(Image credit: Juan Gaertner)

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