Do I have permanent rights after several fixed-term contracts: ask the expert

I am on a fixed-term contract with my local council. This has already been extended twice – the current contract ends March 2014, I go on maternity leave Nov 2013. I am entitled to SMP, and then the Occupational Health Maternity pay – which is 12 weeks (weeks 7-18 of maternity leave) of 1/2 pay on top of SMP; but they are saying that until the contract is extended (which we’ve been told it will be, just waiting for the written confirmation) they will withhold the 12 weeks of 1/2 pay entitlement. Read more