barrier method 的近义词 23 个

• condom
• diaphragm
• hormone
• pill
• iud
• armor
• coil
• foam
• jelly
• loop
• preventative
• prophylactic
• ring
• rubber
• safety
• shield
• sponge
• intrauterine device
• planned parenthood
• preventive medicine
• rhythm method
• spermicidal cream
• vaginal suppository