Hello everyone, I'm very new to the community so please bare with me if I make any mistakes! Among other chickens I have a Sussex hen. About a month ago she went broody and was very insistent upon it, I thought I would get her some fertilised eggs to sit on. I got them from a local country fair. There were 6, in the first week one cracked and one disappeared (suspected eaten) and so I was left with four. After that she was fab and an amazing sitter she did such a good job. The time came for them to hatch on Saturday. The first chick came that day really quite quickly, the second took Saturday and hatched Sunday and the third had started on Saturday but was still going today. I had been checking on the progress as much as possible trying not to disturb TOO much, it was making progress. This morning it had pipped a hole and was peeping... I went out for late lunch and returned about 4:30/5pm and went to check, it had began to unzip the egg at, about a cm so again that was progress. I was tempted to help it out but id read this process can take up to 3 days and interfering can lead to premature hatching of a chick that hasn't absorbed the yolk sack. It was really chirping away strongly and I thought it would be out in the next couple of hours. I just went to check again at 7pm, no movement or sound, I became worried and unpeeled the egg and sure enough the chick was dead.. I inspected it and there was a tiny bloody sack sticking out of it's vent area, smaller than a pea... But I just can't help but think if id helped the poor thing earlier it wouldn't have died, or does this bit showing from it's bum signify it may have died anyway? Did I do the right or wrong thing here, so I know in the future? Any comments and advice will be much appreciated. Thank you very much for your time!