Oh, you worrying husbands. My Father's an OBGYN (Former Professor at University of Florida and head of spouse and female soldier care at Fort Bliss) so I hear through him about annoying worrying husbands. They're almost as bad as those "GET THIS TUMOR OUT OF ME!" near end of term women who scream at me over the phone when they think I'm him.

Just keep reassuring her that everything is fine. Clearly if you are a member of this site then that means you are like me. Prepared and will make sure everyone around me knows it so they can feel secure. Just do what you do and she'll be fine.