There are four different types of volcanoes. A volcano is categorized both by formation and appearance. Different types of volcanoes also indicate the types of expected eruptions. The different types of volcanoes are: composite (or stratovolcanoes), shield, cinder cones and spatter cones.
A Vaginal Ring is a thin, transparent, flexible ring that you insert into the vagina yourself to provide contraception protection. Leave the Vaginal Ring in for 3 weeks while it slowly releases estrogen and progestin hormones into the body.
The female condom is a pouch that is used during intercourse to prevent pregnancy and reduce the risk of sexually transmitted diseases. It has flexible rings at each end. Just before vaginal intercourse, it is inserted deep into the vagina. The ring at the closed end holds the pouch in the vagina.