Hi. I'm not a lawyer, but I work in HR. I understand that your work can't just issue you with a new contract unilaterally - this would be a breach of contract. They have to follow the correct processes which generally involve consultation with employee representatives. If they are doing this, you should speak to your employee rep to ensure they represent your views (or volunteer to be a rep yourself). If they are not consulting, I think they will be on pretty dodgy ground legally if you challenged the new contract. Your employer would also need to show that there were strong business/ financial reasons for the change - I would be surprised if maternity pay makes up a significant part of employee costs at your work. You could also raise this point during consultation. If and when they do issue you with a new contract, you would have the option of formally notifying them that you object to this term in the new contract, and that although you will carry on working, you do not accept this change. Changing employee contracts is a farily complex area so you might want to try and get some legal advice if there's no trade unions/ HR or employee rep's you can speak to at work. I'm afraid I don't know what impact actually being pregnant would have on your rights.