P'cola :
The Cord thing I believe was a little membrane that seems to be attached to it leg or tangle up with it on the way out..But, chic seems to be doing well.
Yes, that happens somtimes. Looks like string of goo !!
CONGRATS ON THE BABY !!!
CONGRATS on the pips !!!!
A zip is what happens after the chick pips the shell (could take up to 48 hrs after the pip) The chick turns in the shell cutting the shell so it can come out.