However, the researchers said that despite a lower number of invasive tests, the heavier reliance of this method on chorionic villus sampling earlier in pregnancy could actually mean an increase in the number of healthy babies lost if the miscarriage rate using this method was closer to 2%.

BBC: Down's test miscarriage warning

Failure to reach agreement on the seven-year budget would mean the EU rolling over annual budgets - a method that would be more expensive and would complicate long-term projects.

BBC: EU budget: Leaders edge towards compromise deal

Or when the technological limitations of the medium mean that there has to be a restriction and thus some method of who gets the prized access.

FORBES: Press TV and the Freedom of the Press