Kathleen Folbigg has served 20 years of a 25-year sentence for crimes she says she did not commit.
But within months, Folbigg will learn if there was "reasonable doubt" with her convictions, that could lead to a pardon.
The 55-year-old was convicted of smothering her babies Caleb, Patrick, Laura and Sarah on separate occasions between 1989 and 1999, but has always maintained they died of natural causes.
