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.
There are two different hormones called estrogen and progestin in the vaginal ring. When the ring is inserted into your vagina, the hormone medicine is absorbed through the wall of the vagina and enters your bloodstream to stop your ovaries from releasing eggs.he vaginal hormonal ring, also called âNuvaRingÂ®â or âringâ for short, is about 2 inches across, and is as flexible as a rubber band. You insert the ring into your vagina like a tampon.