Of the twelve recipes, six made the cut and were brewed for national test sampling, and after 25, 000 consumer opinions, the people had spoken and the winner was Budweiser Black Crown, a new golden amber lager.

FORBES: New Budweiser Beer Debuts Today - And At Super Bowl

To confirm or rule it out, a further test is offered - either amniocentesis and chorionic villus sampling, both of which use a fine needle to take tissue or fluid from inside the womb.

BBC: Down's test miscarriage warning