gald to hear she's doing better. Once you open you've risked shrink wrapping so might as well read a little bit about that. But don't freak out (I always worry when I read stuff).
Please note that I'm not an expert. I have hatched many batches with fairly good success.
The don't open til after is great advice. It can really reduce problems getting out of the shell for the 'batch' but may mean one doesn't make it because that one needed intervention.
It looks like...