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.
How ESTRING Works. ESTRING Â® (estradiol vaginal ring) is a local therapy designed to relieve moderate-to-severe itching, burning, and dryness in and around the vagina due to atrophy after menopause. Once inserted (either by you or your doctor), the ring will begin to release the estrogen hormone estradiol.ow ESTRING Works. ESTRING Â® (estradiol vaginal ring) is a local therapy designed to relieve moderate-to-severe itching, burning, and dryness in and around the vagina due to atrophy after menopause. Once inserted (either by you or your doctor), the ring will begin to release the estrogen hormone estradiol.