The NuvaRing is a hormonal contraceptive device for women.
The device is a flexible plastic ring which is placed into the vagina. The NuvaRing releases the hormones progestin and estrogen into the body, which prevents the ovaries from producing mature eggs.
A NuvaRing is typically worn for three weeks, after which it should be removed - to allow menstruation. A regular menstrual period will typically start within two or three days of removing the ring. After a one week break a new ring can be inserted.
NuvaRing is manufactured by the pharmaceutical giant Merck. It was first approved in Holland on February 14, 2001, and months later 14 other European Union countries approved.
On October 3, 2001, the U.S. Food and Drug Administration (FDA) made NuvaRing the only vaginal hormonal contraceptive available in the country, and it was first marketed in 2002.
Over 1.5 million women around the world use NuvaRing as a means of contraception.
Merck claims that the NuvaRing works just as well as the Pill - being 99 percent effective in preventing pregnancy.
A doctor's prescription is required to buy a NuvaRing.
It's particularly important to note that NuvaRing does not protect against HIV infection and other sexually transmitted diseases (STDs).
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