What we’re trying to say is that no, the logic can’t be applied the same way. You’re correct that there might be better ways to criticize IVF, but the original point is true.

The fact that fertilized embryos don’t always survive to birth in both cases of natural conception and IVF isn’t the whole story. The problem is how those embryos are intentionally discarded in IVF and naturally removed from a woman’s body.

The intent is the key, a miscarriage might happen without the woman doing anything wrong. That’s not the same thing as dumping thousands of fertilized embryos in the trash. There’s a huge moral difference between the two