If however, she was given lots of (non hybrid) candidate embryos to work with and knowledge of their gene sequences, then she might be able to efficiently note "hey, the majority of those with this particular sequence seem destined to end up with such and such disease", etc...

Alternately, gives a convenient way to help test genetic modifications (check for obvious disastrous results) in a slightly more ethical way that, well, giving birth to the enhanced kid and hoping for the best.