16th July 2020

A 18-year-old female presents with a one day history of severe, central abdominal pain, nausea and anorexia

A 18-year-old female presents with a one day history of severe, central abdominal pain, nausea and anorexia. She has not opened her bowels in 24 hours. She is afebrile and has a negative urinalysis. She is normally fit and well and only takes the combined oral contraceptive pill. She has no allergies. There is no family history of inflammatory bowel disease or colorectal cancer. She does not smoke or drink alcohol.

Please select the SINGLE most likely diagnosis. Select ONE option from the list above.