Impermeable plastic or soft rubber that also uses spermicide
● Similar to the Diaphragm, yet it is shaped like a sailor’s hat and is smaller.
● Reusable
Effectiveness: 74% effective when perfectly used by parous women
Effectiveness: Similar to Diaphragm, yet it has a LOWER effectivity rate possibly because it is made out of harder material. The diaphragm is more flexible so it can adapt to the shape of the woman’s cervical opening.