THE N

UVA R

ING

CHRISTO

PHER R

OSS DESANTO

BME 2

81

WHAT IS THE NUVA RING?

- Vaginal Contraceptive

- Made in the Netherlands

- American FDA Approval

July 2003

HOW DO YOU USE IT?

- Start at the beginning of a woman’s 28 day cycle

- 4 week cycles

- Free week

- 3 Hour exposure before becoming ineffective

HOW DOES IT WORK?

- estradiol 15μg (estrogen derivative)

- Etonogestrel 120 μg (progestin derivative)

- Thickens cervical mucus (sperm inhibition)

- thins out endometrial walls (eggs can not fertilize or attach)

- Luteinizing Hormone

- Permeability

PROS

- No reports of infertility (compared to birth control)

- After 0-4 weeks regain ability to become pregnant

- Low level of hormones

- More effective than pill (1% to 8%)

- Use during sex

CONS

- Some side effects

- Ring displacement

- Unorthodox / discomfort

QUESTIONS?

SOURCES

http://en.wikipedia.org/wiki/NuvaRing

http://www.plannedparenthood.org/health-topics/

birth-control/birth-control-vaginal-ring-

nuvaring-4241.htm

http://www.nuvaring.com/Consumer/index.asp

http://www.drugs.com/cdi/nuvaring-ring.html