28th August 2020

A 25-year-old man has been diagnosed with infertility due to congenital bilateral absence of the vas deferens

A 25-year-old man has been diagnosed with infertility due to congenital bilateral absence of the vas deferens. He has a past medical history of recurrent chest infections, a productive cough, and pancreatic insufficiency. Which of the following options would explain this clinical picture?

Select the SINGLE most appropriate option from the list below. Select ONE option only.