Angela, my DS has his shelves of books and doesn't go anywhere near ours. Well, not quite. He liked Fighting Fantasy books when he was a lot younger. He went for those and no others. But now only his own books.

TBH, if the midwife is bringing her kids along to a first pregnancy then she should be bringing things for them to do. You shouldn't have to entertain children imposed upon you when you're meeting a midwife (if I asked a midwife friend I'd be fine with her children coming along too because I know the family and her youngest is DS's age and I know I have toys for the eldest, but not a stranger and her children). Also, would these children be around for the birth? I'm a bit freaked out at children coming, no reason why - and also not that it's a really big one-off that has never ever happened before.

Don't feel bad your house may not be suitable for your employee's children (and you're paying her, she's your employee). They shouldn't be coming IMHO. I think it's quite unprofessional to just inform you children are coming and not asking if it's OK and certainly a midwife who brings children along just puts me off. But that's just me.