A new social media trend is making waves across China: The belly button test. The simple sounding test involves you taking a photo of yourself, while reaching behind your back and around your ...

"Reach your belly button from behind to show you have a good figure" is the latest hashtag to show off your body, and many women and men have posted photos of themselves doing so.

The belly button challenge that's trending in China is unhealthy and not backed by a real scientific study.

The belly button challenge has taken Weibo – China's Twitter – by storm. Over 130 million people have tried to reach around their back to touch their belly button within a couple of days.

Your belly button will probably become an "inny" again after your baby is born. So, think of your belly button as the epicenter of your pregnancy and take good care of it.