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A blood ring is where a developing embryo dies and the blood spreads out away from the dead embryo. It looks like a ring around the middle of the egg. If I hadn't already cracked it open, I'd take a picture of it for you. I never take mine out until I'm absolutely sure. And by Day 14, it's very obvious. At Day 14, most of the egg is dark, except the tip and the air sac and you can see movement. (if you hold still and let your eyes adjust) At Day 14 an egg with a blood ring in it will just have a small dark blob and the blood circle around the egg. More of the egg will be light and of course, there's no movement. But don't toss an egg JUST because you don't see movement. I have had some that I either didn't see movement on, but they still hatched.
