surgical sterilization; contraceptive surgery
Medical term for a surgical procedure that prevents pregnancy, such as tubal ligation or vasectomy.
The couple discussed thoroughly whether to undergo surgical sterilization.
The veterinarian performed a contraceptive surgery on the cat.
避妊 is the general term for contraception, while 避妊手術 specifically refers to surgical sterilization.
不妊手術 is a broader term for sterilization surgery, often used for both humans and animals, while 避妊手術 emphasizes the contraceptive purpose.
Compound of 避妊 (contraception) and 手術 (surgery). The exact historical derivation is uncertain, but the term is a straightforward modern medical compound.