How it works

  • Flexible latex or silicone dome-shaped device 

  • Used with spermicide (kills sperm preventing them from reaching an egg)

  • Placed inside the vagina to cover the cervix 

  • Stops sperm entering the uterus and fertilising an egg

  • Can be put in up to 3 hours before having sex (as long as more spermicide can be applied just before sex) 

  • Must be left in for 6 hours after sex



  • If used correctly it is 92-96% effective i.e. between 4  and 8 women using this method will get pregnant each year (Note: with typical use its about 71-88% effective i.e. between 12 and 29 out of 100 users will get pregnant in a year)

  • No serious side effects

  • You only have to use it when you have sex


  • Additional spermicide is needed

  • Some people are sensitive to spermicide 

  • Extra spermicide is needed if you have sex again

  • Putting it in can interrupt sex

  • It can take time to learn how to use it correctly 

  • Cystitis (bladder infection) can be associated with diaphragm use

©2020 by SHAKE Africa

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