<prompt> All are true about cystic fibrosis except?Recurrent respiratory infectionsMajority of males are infertileFasting hyperglycemia is a feature of early diseaseSweat chloride is 70 meq1  <response>: Ans. c Fasting hyperglycemia is a feature of early diseaseRef: Refer Ans 7 10; Nelson 19thpg 1996; Robbins 9thpg 466-470; 8thpg 465-470Cystic fibrosis-related diabetes CFRDNo diabetes is seen in CF patients younger than 10 yr while 40-50 show diabetes at 20yr age;So diabetes is a late feature of CF, seen only in individuals who survive to adolescence beyond.Patients with CFRD have features of both T1DM and T2DM.There is pancreatic damage leading to slowly progressive insulin deficiency, along with insulin resistance 