Exposing nuva ring to high temperatures, such as leaving it in a hot car for an extended period, may affect its stability and potentially reduce its effectiveness in preventing pregnancy. If you have accidentally left nuva ring in a hot car for three hours, it's recommended to consult with your healthcare provider or pharmacist for guidance on what to do next. They can provide you with specific advice based on your individual situation and help you determine if any additional precautions or actions are necessary.
