Yet another issue has arose...
Some of you may remember my other thread. Apologies I'm always asking for advice like it's chocolate 
In a nutshell, HR have palmed me off and told me that if I have any issues with my manager, I have to take it up with whoever manages my department (NHS based).
I outlined my rights about those sick notes etc to my manager, and the advice and links given from maternity action etc etc.
Line manager has left me well alone after that.
This morning, however, head of department came in loudly asking people about their progress etc and discovered I had a maternity appointment today, and one tomorrow too.
My hospital is quite far away, meaning I'll be taking quite a few hours away if includes travel etc.
Anywho, she's said that she wants further proof than my 'appointment section of my notes', and says she will be ringing my hospital I'm under to make sure I'm due for these appointments as I've stated.
Is this allowed? I didn't think my hospital could disclose this?
I have no issue really in terms of accuracy as I know it's all truthful on my side, but isn't an appointment card suppose to be sufficient?
She did say before that it'd be best if I gave in individual letters for each appointment, from the hospital, but I don't get letters with my appointments on 
What is wrong or right here?
Many thanks 