contraceptives

• Pregnancy , menstrual period or the use of oral contraceptive pills ,
  怀孕期间经期前后及口服避孕药者
• Effects of oral contraceptive on woman ' s health and her off - springs
  口服避孕药对妇女健康及子代的影响
• A demo of usage of contraceptive methods and display of other contraceptives
  介绍及现场示范各种避孕方法
• The book says to use contraceptives
  书上说要用避孕用品
• Stainless steel wire contraceptive ring
  不锈钢丝节育环
• Copper - bearing intra - uterine contraceptive devices - requirements , tests
  含铜的宫内节育避孕器具.要求试验
• Reusable rubber contraceptive diaphragms - determination of size
  可重复使用的橡胶避孕工具.第2部分:尺寸测定
• Contraceptive ? do we need it
  避孕套？要用避孕套吗？
• Copper - bearing intra - uterine contraceptive devices - requirements , tests
  含铜的宫内节育避孕器具.要求试验
• Iucd intrauterine contraceptive device
  子宫内避孕器