Vaginal contraceptive rings are available by prescription only. However, a physician is not necessary to insert the ring. Over a month period of time, the vaginal contraceptive ring is left inserted for three weeks, and taken out for one week. During the week no ring is in place, menstruation occurs.

1. Brand: NuvaRing
2. Manufacturer: Organon
3. Use: contraception
4. Effectiveness: 99%
5. 2001: Approved by FDA
6. Cigarette smoking: Increases risk for blood clots
7. Costs about $15-$50 per month
8. Duration: 4 weeks

1. Perfect use: 1%
2. Typical use: 1-2%

1. Vaginal discharge
2. Headache
3. Weight gain
4. Stroke
5. Heart attack
6. Blood clots