Thank you so much Jane, that makes perfect sense. I'll get those ordered tonight.
I've got a choice of 4 people I can call if I need advice so that's under control. We've decided on a quiet (as quiet as it gets in this house) Christmas, just the 5 of us with no visitors, purely because if Millie doesn't have the pups early she'll just want lots of rest & wont get that if we have visitors. It's worked out well because hubby will be off work so we can do shifts with the pups through the night if need be.