Another new in vitro fertilization startup has emerged, this one with explicit intelligence parameters to play with as a feature of its website.

But does it draw people to what children are, or what they are not? The company, called Herasight, recently went public with product promotion, having “already screened hundreds of embryos” for genetic preferences. It’s not entirely bad — preferences are unavoidable, even good — but its mechanism, technologically and societally, is.