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 small, flexible ring a woman inserts into her vagina once a month to prevent pregnancy. It is left in place for three weeks and taken out for the remaining week each month. The vaginal ring is commonly called NuvaRing, its brand name.ffectiveness is an important and common concern when choosing a birth control method. The vaginal ring is very effective. It works best when a woman inserts it, keeps it in place for three weeks, takes it out for one week, and then inserts a new ring. That keeps the correct level of hormone in a womanâs body.