A US exchange student had to be “delivered” by German fire fighters after he became lodged in a giant marble vulva.

The young man found himself in the rather awkward predicament after he reportedly climbed into the stone genitalia for a bit of a laugh and became stuck.

22 fire fighters in five vehicles were called to the scene in the grounds of Tubingen University Institute of Microbiology at about 1.45pm on Friday, according to Schwäbisches Tagblatt.

Download the new Independent Premium app Sharing the full story, not just the headlines

Named Pi-Chacán, which means “making love”, the sculpture has been at the academic institute for 13 years and is the work of Peruvian artist Fernando de la Jara.

No damage was inflicted on the erotic structure and the student was retrieved unharmed – although undoubtedly with a red face.

And social media users were quick to comment on the incident, from cracking suggestive jokes to questioning why the university had chosen the artwork to adorn its campus in the first place.

On imgur, one user joked: "It's a boy!!!"; and another wrote: "He was obviously a C-section birth."

Another user remarked that the photos could be used to promote studying abroad, while one individual simply commented: "So many questions..."