Diaphragm
A diaphragm is a reusable, flexible cup that you put in the vagina before sex. It works by stopping sperm reaching the womb. And it’s used with spermicide gel which kills sperm.
You can get the diaphragm from a pharmacy or a sexual health clinic
Hormones
None
Frequency
Insert before sex and leave in place for at least 6 hours after.
Effectiveness
94% effective if used correctly every time.
STI protection
No.
Periods
No effect on periods.
Getting started
Buy them from chemists, supermarkets and online.
More information
For more details on using diaphragms and spermicide gel, check out SH:24.
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