Physiologic phimosis normal foreskin development
Posted by dkwinter
  Fully retractable (%) Partial retraction with part of the glans penis visible (%) Partial phimosis with only the urethral meatus visible and none of the glans penis (%) Phimosis with nonvisualization of the meatus and glans (%) Circumcised (%) Note: study done in Taiwan
1st grade (age 6-7) 8 40 33 17 3
4th grade (age 9-10) 21 41 25 10 4
7th grade (age 12-13) 58 29 7 1 5

Int J Urol. 2006;13(7):968.