I candled my eggs this morning and I really can't see any veins!! I have 7 in the bator and it's been 4 days. What does this mean? Are my eggs doomed? The temp in the bator is holding pretty steady at 90-100. mostly at 99.5. I am so worried!! This is my first try and want everything to go well! Was hoping for at least 3 or 4 good hatches out of the 7.