Uncoloured Gouldian nesting

[Jimla]

I recently checked on a Gouldian nest to see 5 eggs with an uncoloured hen sitting on them. I have looked a few times since to see the same hen on the nest so they seem to be hers.
Does this happen often and what are the chances of the eggs hatching?

[Tiaris]

It happens occasionally when early season young are left in breeding aviaries. If the eggs are fertile, they are a good chance of hatching.

[elferoz777]

I am in the same situation.

Young almost coloured up hen is in the box on 5 eggs..

Seems to be diong well.