In cystic fibrosis, 98% of men are infertile. The causes of aspermia include:  Atresia or absent vasa deferentia Abnormal or absent seminal vesicles
What is the underlying physiological process of cystic fibrosis?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the underlying physiological process of cystic fibrosis? [/INST] \n In cystic fibrosis, 98% of men are infertile. The causes of aspermia include:  Atresia or absent vasa deferentia Abnormal or absent seminal vesicles</s>