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 estrogen ring is a form of estrogen-replacement therapy in which the estrogen is delivered directly to the vagina. The estrogen is slowly released from a small, flexible ring that is inserted into the vagina and kept inside for three months at a time.Women are not generally aware of the ring and are able to have intercourse without their partner being aware of it.ince the vaginal ring and the tablet lead to lower levels of circulating estrogen in the bloodstream compared to taking estrogen by mouth or a skin patch, they are appealing options for women and physicians who are concerned about the risks of estrogen-replacement therapy.