My female budgie is not sitting on her eggs?

If this is her first time, it's a gamble. She may simply be too inexperienced to take care of her chicks. Still, why borrow trouble. Just assume she will do what her instincts tell her to do and let it go. It's always possible when the first clutch hatches, there is something wrong with one or more of them and the parents will kick the baby out of the nest All you can do is wait..