noun
surgical sterilization; contraceptive surgery
Medical term for a surgical procedure that prevents pregnancy, such as tubal ligation or vasectomy.
避妊手術を受けるかどうか、夫婦でよく話し合った。
The couple discussed thoroughly whether to undergo surgical sterilization.
獣医は猫に避妊手術を施した。
The veterinarian performed a contraceptive surgery on the cat.
Compound of 避妊 (contraception) and 手術 (surgery). The exact historical derivation is uncertain, but the term is a straightforward modern medical compound.