Cheryl,

if you think this might mess with your husband's travel plans, don't be shy about calling your FS and telling him. It is always good to have a back-up plan in case he's away when you're finally good to go (and note I say 'when' not 'if'). It may be worth asking for the option to have his sperm frozen if needed. That way you can put your mind at ease, de-stress and leave your body to play catch-up now.