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.
Pregnancy can happen if. 1  the ring slips out of your vagina and is not replaced within 48 hours. 2  the ring does not stay in your vagina for three weeks in a row. 3  the ring is left in your vagina for more than a month.  you forget to insert a new ring more than a week after taking out the previous ring.