Day 25! now what?

[CakePrincess21]

Im on Day 25 and so far nothing. I might candle the eggs tonight to see if they are alive. There's no smell and temp is at 99.5 to 100. any help?

 

[ThePamperedPullet]

There are lots of variables here. How did you establish day 1? Have you candled the eggs such as on day ten? Has your temperature stayed constant at 99.5 to 100.0? Have you calibrated your thermometer to make sure it is accurite?
I generally let my eggs go to day 28 before throwing them out. I will crack open the ones that do not hatch to see at what point they died. If you have not had a single pip out of your eggs then something has happened.