Temperature-powered birth control
Now measure your temperature trends overnight with Oura Ring and wake up to your daily fertility status.
Natural Cycles is the only FDA Cleared birth control app that uses body temperature to prevent and plan for pregnancy naturally.
How it works
Measure your temperature trends overnight by wearing your Oura Ring to bed.
See your fertility insights in the Natural Cycles app in the morning.
How to get started
I don't have an Oura Ring
Sign up for Natural Cycles
Purchase an Oura Ring (with the exclusive offer) and activate the Oura Membership
Pair your Oura Ring to the Natural Cycles app
Wear your Oura Ring to bed to seamlessly measure overnight
Already use Natural Cycles?
Claim your Oura discount by visiting the Buy Extra Supplies page in the Natural Cycles app
I have an Oura ring
Sign up for Natural Cycles (NC°) and make sure your Oura Membership is activated
Log in to the NC° app and pair your Oura Ring
Wear your Oura Ring to bed to seamlessly measure overnight
Already use Natural Cycles?
Claim your Oura discount by visiting the Buy Extra Supplies page in the Natural Cycles app
Enjoy exclusive offers
10% off Natural Cycles Annual Plan
First month of Oura Membership included
$40 off Oura Ring
Let's compare birth control effectiveness
Effectiveness of Natural Cycles is the same across all measurement devices
HORMONAL
HORMONAL
93%
Contraceptive Pill
93%
Vaginal Ring
99%
Hormonal IUD
NON-HORMONAL
93%
Natural Cycles°
87%
Condom
99%
Copper IUD
NON-HORMONAL
Percentage of typical users who did not get pregnant with the method over 1 year of use. Read more.
Join 3 million+ users worldwide
Nothing short of amazing! We just welcomed our baby girl, all thanks to NC°.
Katie
Joined NC° in 2022
Has got to be THE best natural birth control on the market. 10/10 recommend!
Dr. Katara
Joined NC° in 2021
NC° and Oura sync to give me fast, reliable results that can’t be beat.
Sam
Joined NC° in 2023
With accurate, seamless measuring, NC° & Oura enable me to feel confident in my body
Yulia
Joined NC° in 2023
I’ve experienced significantly less pelvic pain... and our intimacy couldn’t be better.
Bethany
Joined NC° in 2023
Why users love Natural Cycles
All-natural
No hormones or side effects
Understand your body better
Why users love Oura Ring
Track sleep
Monitor stress
Measure activity
Common questions
Unlock fertility insights effortlessly with our most popular integration