That's the jist of it really. I'm 6.5 months and even reception children have spotted the huge bump, parents I see on gate duty daily know. It's hardly a secret, but yet I'm not comfortable with my personal life being subject to being in the newsletter.
The Head wanted to announce it and I really had to put my foot down and he just didn't understand why. I guess part of it is also I feel like it's tempting fate with early congratulations, as well as being a free target for gossip and comments.
Of course once dates and cover arrangements are set I think it's reasonable to share Mrs X will go on mat leave starting on xxxx and her role will be covered by Y (I am in a non class based role)