I have a brinsea maxi ex and i had put 14 eggs in it on the 4th of March at 10pm. 4 eggs were removed since they were non-fertile and now I have 10 eggs in it. its been more than 12 hours after the 21st day and there are no chicks... no signs of hatching at all... The humidity is 62% now. is there anything that I am not doing right?