Funny ultrasound pictures

It's called pareidolia - when the brain makes an image or pattern appear where there isn't really one.

But the scientific reason doesn't make these scans any less surprising or amusing!

Some of these have been floating around the internet for years, being created into memes and shared on Reddit, Twitter and Facebook. 

Have you seen something not quite fetus like in your scans? 

Take a look at this ultrasound video of baby dancing, yawning and waving.