What is the normal foreskin length?

Normal foreskin length usually refers to the state in which the foreskin can completely cover the glans but can be easily turned up to expose the coronal sulcus.

There are individual differences in the length of the foreskin. In most adult men, the foreskin can naturally cover the front end of the glans by 1-2 cm when it is weak. When erect, the foreskin will naturally retract to the back of the coronal sulcus. It is normal for the foreskin and glans to have physiological adhesions in infants and young children. With growth and development, most children will gradually separate from the foreskin and glans at the age of 3-5. To determine whether the foreskin is normal, you need to comprehensively consider the degree of coverage, ease of turning it up, and ease of cleaning, rather than simply measuring specific values. If the foreskin cannot be turned up for cleaning or if balanitis occurs repeatedly, you need to see a doctor to evaluate whether there is phimosis or excessive foreskin.

Daily care should be taken to keep the perineum clean and dry, and when bathing, gently turn it up to clean the coronal sulcus secretions. Avoid harsh lotions and choose breathable cotton underwear. If you find redness and swelling of the foreskin, difficulty in urinating or abnormal secretions, you should see a urology department for examination in time. If pre-pubertal children have no symptoms of infection, they can be temporarily observed. If foreskin abnormalities persist after puberty, specialist evaluation is recommended to determine whether intervention is needed.