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.
In normal stage, muscle around vagina is relaxed and collapse to each other. However, the inner vagina wall will expand so it is longer and wider. Average woman can handle a 9 inches long and 2  inches wide. 60 % of woman has normal vagina size where 10 % has smaller and 30 % has larger vagina.