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 vaginal ring is a method of birth control that provides both estrogen and progestin hormones. You need a prescription from your health care provider. The vaginal ring is also used to treat conditions such as irregular periods, menstrual cramps, or endometriosis.