
First it's important for you to know that she could have whelped days ago and pups would have been perfectly viable. She can't be left alone - if you need the loo, take her with you. And take a torch at night when she wants a wee, as some bitches give birth to a pup like this.
Don't have any love of heat lamps. My very expensive one is at the bottom of a heap of junk! :-)
I would never be without under bed heating though. Love my Petnaps!
Watch for her eyes to look glazed. The pain shows in their eyes first.