Reliable medically assisted sex selection which does not involve abortion o
r infanticide has recently become available, and has been used for non-medi
cal reasons. This raises questions about the morality of sex selection for
non-medical reasons. But reasonable people continue to disagree about the a
nswers to these questions. So another set of questions is about what the la
w should be on medically assisted sex selection for non-medical reasons in
the face of reasonable disagreement about the morality of sex selection. Th
is paper sketches a way of thinking about what the law should be, and concl
udes, contrary to what the law is in many places, that medically assisted s
ex selection for non-medical reasons ought to be legal.