The technology of sex preselection enables people, particularly men, to act on their biases against women; it is not an exaggeration to regard the potential results as a form of gynecide – that is, a wrongful form of sexual discrimination that reduces the relative number of females.
Source: wiktionary
So though there is nothing here to indicate any widespread gynecide, there does seem to be an assumption that women will be trying to have male children.
Source: wiktionary
The pressure to reduce these practices will almost certainly increase, if only because governments have finally done the demographic arithmetic and realized that gynecide today means unruly bachelors tomorrow […].
Source: wiktionary