Short answer
Permanent sterilization is treated differently from temporary contraception in Islamic jurisprudence. Its permissibility can depend on medical necessity and specific circumstances.
Islamic Guidance
What Islam teaches
Many scholars distinguish permanent sterilization from temporary methods such as 'azl. A genuine medical necessity may affect the ruling, while making permanent changes without a valid reason can raise different Islamic concerns.
Practical Guidance
What you can consider
Before undergoing permanent sterilization, obtain appropriate medical advice and consult a qualified Islamic scholar who can consider the specific circumstances.
Sources
Qur'an 4:119; Islamic jurisprudential discussions on sterilization and contraception.