Surgery to prevent pregnancy. Unlike birth control, it is effective in preventing pregnancy, but it is almost impossible to reverse the pregnancy. In women, the fallopian tubes may be ligated or clamped with rubber bands or metal clips. Surgical techniques include abdominal or vaginal incisions, and more recently, laparoscopic techniques. Vasectomy is performed in men. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
妊娠を防ぐ目的で行う手術。受胎調節と異なり,避妊効果は確実であるが,再びもとに戻して妊娠することは,ほとんど不可能である。女性では卵管を結紮切断したり,ゴム輪や金属のクリップではさむ方法もある。手術法としては,腹式または腟式に切開するもののほか,最近では腹腔鏡による方法も用いられる。男性では精管結紮術を行う。
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