Even though getting married and moving are positive things, they do cause stress...these are big changes in ones life, so yes..you could be experiencing physical symptoms from that type of stress. Glad you are feeling better today!
the answer is yes,physical symptoms of anxiety can persist all day, and usually take just the form you have described, and your doctor is right, the more you worry about it, the more you find, and the worse it gets.
Getting married and moving may be a joyful experience for you to look forward too, but it is also a major transition in life, and your whole safety stability system is being strained to adapt to this newness. Understanding that may be all you need, but if that doesn't work for you over the next week, think of having a few sessions with a good therapist.