Redundancy During Maternity Leave

We have an employee who has been an employee for four years, but during that time has had two pregnancies and has been off ill with related illness.  During this time, her role has changed due to the changes in process and introduction of automated systems. How protected are both the employee and the company in relation to making her redundant or confirming the changes in her role?

Seamus: Well, I mean, this question, it's a genuine question because the way that it set out is that we can see the justification automatically that they're saying that there has been changes in the role and the involvement of this automated system, which has changed the role around. So there's a genuineness