Not quite showing yet? A great way to let everyone know that you are with child, not just eating too much. Elegant mint green font with a not-so-elegant description of your current state. Comfortable and cool, you'll reach for this shirt time and time again.

Mint green 'Knocked Up' on chocolate brown ribbed tank

(Since the tanks are made with fabrics that stretch (spandex and ribbed cotton), they should fit most women throughout their pregnancy.)