These are a type of barrier method and may come in different shapes and sizes. They fit inside your vagina and cover your cervix (entrance to the uterus – womb). Vaginal diaphragms are circular domes made of thin, soft latex (rubber) or silicone with a flexible rim. There is new diaphragm called ‘Caya’ which fits most women and is easy to use.
To be effective, diaphragms should be used with a spermicide which is chemicals (gel) that kills sperm.