ref: #1. above.
That's assuming deaf couples don't want a deaf baby.
If China didn't have such a restrictive one-baby-per-family law, there would be less pressure on couples to seek a "perfect" baby.
It's assumed by many that "special needs" babies require more material support, and therefore could be more of a social "burden." So, the government steps in with social engineering via medical, cough, cough, research.
This smells too much like eugenics.
Just my opinion.
