major cock-up with my first hatch .i need helppppp please

hello again  . right well ill come straight to the point and own up it was my fault .i only dropped one of my hatching eggs whilst turning them in the incubator .{ i feel such a t**t } . i only dropped it a couple of inches but it has a slight crack in it now . the egg does not leek once turned over on to the cracked side and i was wondering if i should take it out or might it still hatch .sorry to keep asking questions but this is my first hatch and i am learning as i go .please help as im worried about contamination or the egg exploding and messing my whole hatch up  thanks in advance   ,  nic  , or as im now called by my wife ...................  on second thoughts id better not repeat what she called me better leave it as nic    .

or nail varnish works a treat too!!!! Dont panic it will be fine