• You forget to insert a new ring after the seven day break
  • You remove it at any time for longer than three hours
  • The same ring is left in for more than four weeks
  • Certain medication may interfere with the effectiveness of NuvaRing®. Always ask your doctor if you need extra precautions
  • Some non-prescribed medication, such as St Johns wort (or hypericum), can make NuvaRing® less effective. Check with the pharmacist.
  • Emergency contraception may be required if you do not use NuvaRing® according to instructions, and sexual activity occurred without a condom being used
  • More detailed information about the use of the ring is provided in a booklet included in each NuvaRing® packet.