In this incredible video of an ultrasound scan, the 14-week-old foetus appears to clap its hands together, as mum-to-be Jen Cardinal sings If You're Happy And You Know It Clap Your Hands.

Proving you're never too young to be an Internet star, an ultrasound video that shows an unborn baby clapping to a song has gone viral.

YouTube user Jen Cardinal uploaded the following ultrasound video of her 14-week-old fetus to YouTube on Thursday. The video shows her fetus clapping as Cardinal and her doctor sing "if you're ...

Clap your hands, baby announcement. ... YouTube user Jen Cardinal uploaded the following ultrasound video of her 14-week-old fetus to YouTube on Thursday.

YouTube user Jen Cardinal uploaded the following ultrasound video of her 14-week-old fetus to YouTube on Thursday. The video shows her fetus clapping as Cardinal and her doctor sing "if you're ...