This ailment that occurs in less than 1.5% of children makes the opening of the foreskin very narrow, preventing its retraction.
ໂລກພະຍາດນີ້ທີ່ເກີດຂື້ນໃນເດັກນ້ອຍຕ່ ໍາ ກວ່າ 1.5% ເຮັດໃຫ້ການເປີດ ຫນັງ ຫົວໂປ້ແຄບຫຼາຍ, ປ້ອງກັນບໍ່ໃຫ້ມັນດຶງອອກມາ.