Family members licked melted chocolate off nappies in a bizarre gender reveal party game.

Footage shows the four men wearing face masks as blindfolds while racing to lap up the brown sweets off their diapers in Davao del Sur, the Philippines, on December 14.

They did not know that they were holding newborn-sized disposables and were only instructed to beat each other in finishing the food.

Their families burst into laughter as they appeared to eat baby stool from the infant cloth.

One of the relatives, Adi Manalo, said: 'They were a bit disgusted when we took off their blindfolds. It was still a fun game and ice breaker before the actual gender reveal.'

After that, the couple did the reveal and found out with their loved ones that they would be having a baby boy.

Gender reveal parties, thrown to reveal the sex of an unborn baby, have become increasingly popular in recent years due in part to social media, with many parents sharing photos and videos that helped popularise the trend.