I'm pretty new, so can anyone help me with why a chick would fail to turn over in the egg for hatching? I had a breech today, little thing pipped and zipped pretty well but upside down it couldn't push the last bits of membrane thru to come out! I got him out and picked a teeny bit and out he fell butt first! Vigorous and happy to be out! Albeit a noisy one!! Is this common and what do you do? Oh I was hatching in a carton so think that didn't help.