[actuallyalys]

Having an abortion after a prenatal diagnosis isn't the same as eugenics. Obviously, eugenicist or ableist beliefs could motivate an abortion after a prenatal diagnosis, but choosing to have an abortion is primarily a decision about you and your family.

I'm not sure what you're referring to with the transgender reference—any medical interventions trans people have are initiated by the trans person, making it completely unlike eugenics.

Edit: I should probably add that eugenics was widely popular less than a century ago in the U.S. and hasn't gone away completely. I think these examples are poor, however.

[Gibbon1]

For me the motivation is rather important. A women terminating a pregnancy that's an obvious developmental train wreck is different than a political movement with some esthetic it wants to violently force onto society.