Why pregnancy is still costing women their jobs

They've been fired, demoted, and even offered sham redundancies.  Decades after the Sex Discrimination Act was introduced, women across the country say they're being pushed out of the workforce for having kids under laws that haven't kept up with the demands of modern parenting.  Today, Avani Dias on her Four Corners investigation into the tactics being used by employers and the laws failing mothers.   Featured: Avani Dias, investigative reporter with ABC Four Corners