Many posters will see nothing wrong with this, and maybe there isn't. However, if it works, the same procedure could be used to enhance or eliminate any number of traits that are perceived to be desirable or undesirable. It's a big step down the road to designer babies, and that should be food for thought for everyone.
we are already there.
Parents already give their children growth hormone to ensure they have greater highr than average.
Down sindrome babies are routinely aborted.
Some will even select for gender now.
It is not so bad provided it is defects being prevented or removed.