Let's say you're an expectant mum planning your last holiday before your wee one pops out? Or perhaps you've just had your baby, and you're heading back home to show off the new addition to the family? Whatever your situation might be, travelling is usually a little more tricky when you're pregnant, or if you've got a new-born to care for throughout the flight. Air-travel policies differ from airline to airline, so for easy reference, we've assembled a comprehensive list of all the major carriers and their individual policies.