Pregnant with a 9 month old, should I tell work?

[Lbdp]

So I've just found out I'm pregnant. I have a 9 month old via IVF after four years of trying, so I'm in complete shock as we didn't think this would happen.

I'm due to start back at work in a few weeks and in my role I manage a large team at a local council. I'd only be back in until April, so in my head it feels like a lot of upheaval for the team to have me come back in and then another maternity cover to start in April.

I'm tempted to tell my Director as soon as I get back (would be a bit before 12 weeks) as in my head it might make sense for them to try and keep the mat cover on and then put me on to some other projects for the 7 months I'll be there. Is this me just thinking in a fantasy world?!

Curve ball is that I'd only worked there for a year and a half before I went on mat leave, so I just feel really uncomfortable and want to try and make everything work as well as possible.

Has anyone been in a similar situation?

I haven't been in your situation but I think tell them when you get back so they can keep your mat leave on.
I would feel the same as you but remind yourself you have done nothing wrong, you're entitled to have your children whenever they come. The second pregnancy and mat leave will fly through and then you'll be back anyway. And congratulations!