How to set up the Oura Ring connection to Natural Cycles as a new user (without any prior temperature data)
If you have not done so already, you first need to sign up to Natural Cycles to access the Oura integration through this link.
After logging in to the Natural Cycles app for the first time, you will be automatically directed to the connection flow, which will help you set up the syncing between Natural Cycles and your Oura Ring.
How to set up the Oura Ring connection to Natural Cycles as an existing user (with previous temperature data)
If you do not have an Oura Ring yet, you can purchase it from the Natural Cycles app (from the top menu > Buy extra supplies > Claim my Oura offer).
If you are transitioning from using Natural Cycles with a thermometer to using Natural Cycles with an Oura Ring, please note that you won’t be able to enter thermometer temperatures after you connect to your Oura Account, so we suggest you connect after your ring has arrived and at the start of your next period. Switching at the start of your next period will make for a smoother transition with fewer red days and will allow you to continue to use Natural Cycles with your thermometer until the beginning of your next cycle.
The algorithm will still have access to your previous data, but it may need some time to adjust to the new device. You may get more red days as a result, but this should adjust after a full cycle.
To set up the Oura integration from your already existing Natural Cycles account, tap the top menu > Settings > My device > Connect Oura Account.
The day you switched to the Oura Ring will be marked in the Graph view with a vertical line alongside a ring symbol.
How to sync the Oura Ring to Natural Cycles
Please follow the user manual provided by Oura to measure temperature data trends during the night.
In the morning, sync your Oura data with the Natural Cycles app. To do so, either open the Oura App or the Natural Cycles app (which will redirect you to the Oura App when you click on Sync Oura Ring). It can take up to a few minutes for your data to be synced.
Once your data is synced, you will receive a notification, and the absolute temperature calculated by the Natural Cycles algorithm will appear on the Natural Cycles Add Data page, with the timestamp of the update underneath. At this stage, you will also have the opportunity to add other data if you wish - such as period, mood, LH tests, etc.
Once your temperature data is synced, you will see your fertility status for the day on the Today page. Please ensure that your latest temperature data is synced and saved before you check your fertility status for the day.
For optimal use of the NC app, we recommend that you sync your Oura data every morning.
If for any reason you skipped the syncing for several days, it is possible to sync multiple days of data at once. The newly synced temperatures will be displayed when you next open the Natural Cycles app. You will also be able to see if any of these temperatures have been excluded by the algorithm. Please note that adding new data on a day in the past may change a past fertility status.
You will also find a quick guide to using Oura within the NC app in the Learn tab > ŌURA and NC°.
To read more about how Natural Cycles works and please read here.