My chicks were set on1-11-12 started pipping last night at 11:20 it's still a pip shell piece fell off can see membrane and a little egg tooth coming out but hasn't progressed next pipped today around 10:30 this morning same thing but he pipped in te middle of egg can also see membrane tiny hole that is a bloody color but can see his egg tooth poking through. Should they have progressed by now and what about the middle pipper? First time incubating have been on labor duty all week .... I don't know who's more tired me or the chick 
