We were concerned about this egg from day 1, a very small boob egg.
Noticed by candling it hadn't moved in a few days, last movement was seen on day 46. Today is day 50. Pipped the egg and the snake was lifeless inside.
This guy would have been a male bee, but didn't make it. Inside of the egg looked ok, he was just fighting the odds from the beginning.
YouTube - 2010 Clutch #5 - Bumblebee Ball Python Dead in Egg (Warning: Somewhat graphic content)