babbsjoy, you'll probably be in luck. The bone markers will have changed and the bone density will not have changed because it takes a while for the bone markers to affect bone density. Don't let the new doc depend upon density improvement.
I suspect the pen will not expire at midnight, but call the Forteo pharmacist to be certain. The last point is that it will not likely be harmful to have a month hiatus. You already have some fracture protection from the medication. Praying with you.