1. A type of loop-shaped intrauterine device. 
   避孕环一种环状的避孕装置
2. an intrauterine contraceptive device in the shape of a loop. 
   环状的放在子宫内的装置。
3. While advocating family planning, China has mainly focused on contraception.  
   中国实行计划生育坚持以避孕为主。
4. China leads the world in the research on male contraception techniques, some of which have been listed as the ones to be promoted by the World Association of Voluntary Surgical Contraception (AVSC).  
   中国的男性节育技术研究已处于世界领先地位，有的已被世界志愿手术节育协会列为推广技术。
5. The family planning program puts contraception first, to protect the health of women and children.  
   中国实行计划生育，一贯坚持以避孕为主，保护妇女和儿童的健康。

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• 1. 子宮內避孕
  artificial contraception 人工避孕法...intrauterine contraception 子宮內避孕...safe period contraception 安全期避孕
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