Peter Attia· MD
So the pregnancy rates were the multiple pregnancies. But you're saying in that situation they would have transferred eight and all eight took.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
So the pregnancy rates were the multiple pregnancies. But you're saying in that situation they would have transferred eight and all eight took.
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So in the early days of IVF when IVF was not very successful we had to transfer many embryos to get decent pregnancy rates and some of the time more than one would take. So the pregnancy rates were the multiple pregnancies.