Infertile answer to pregnancy announcements

My dear Husband and I are pleased (not) to announce that we are expecting...Nothing!  A lovely bundle of emptiness will be delivered to our arms in several months' time.  It was impressively easy to conceive this infinitesimally small package, and we hardly had to wait for little Nothing to make its upcoming presence known.  Apologies that we can't show a picture -- after all Nothing is difficult to characterize.