Why is sterilization considered a permanent method of birth control?

Sterilization is considered a permanent method of birth control because it involves surgical procedures designed to physically remove or interrupt the anatomical pathways required for conception.1

In females, this is typically achieved through tubal ligation, where the fallopian tubes—which transport eggs from the ovaries—are blocked, severed, or sealed to prevent fertilization. In males, the procedure is a vasectomy, which involves severing or blocking the vas deferens to prevent the transmission of sperm.123

These methods are classified as permanent because they are intended to be irreversible. While microsurgical techniques exist to attempt the reversal of these procedures, they are often difficult, expensive, and have limited success rates in restoring fertility. Consequently, individuals seeking sterilization are advised to accept the operation as a permanent choice.123