I admit, those scenarios are almost as odious as they are unbelievable. People already select for height, strength and a host of other genetic characteristics when they mate. But anyways, mother's choice. Her body, her choice. Very simple.
Sex-selective abortion is abhorrent, but it's not at all unbelievable. The others are mostly hypothetical - for now - but amniocentesis and genetic testing for specific diseases is a very real thing, and the steady march of GWAS means we will have the rest soon enough.
PS I liked the line about optics better.