(1-2) If the health of wife is weak and she is unable to bear the troubles and pains of pregnancy i.e. her life is threatened, then in such an exigent case it is allowable to use temporary contraceptives (like condom) as per the Shariah.
(3) The concept of family planning contradicts Islamic teachings. Therefore, sterilization or permanent removal of the reproductive system is unlawful.
Allah (Subhana Wa Ta’ala) knows Best
Darul Uloom Deoband