Understanding my cycle
Your cycle is happening whether or not pregnancy is on your mind.
Corvia helps you learn what your body is doing, recognize your own patterns, and understand the signs you notice throughout the month using the Billings Ovulation Method.
No assumptions about where you are headed next. Just a better understanding of the body you have today.
Start free →30-day free trial · one full cycle · cancel anytime
Most women know when their period starts.
Far fewer have been taught what happens during the rest of the cycle, or that their body gives them observable signs along the way.
Corvia helps you slow down and notice them.
Each day, you record a few simple observations. Corvia places them on your chart so that, over time, individual days begin to form a pattern.
Not a prediction based on an algorithm.
Your observations. Your chart. Your cycle.
More than period tracking
Learn what to notice each day, including changes in sensation, appearance, and bleeding.
Corvia guides you through the vocabulary of the Billings Method so you aren’t left wondering what counts or how to describe it.
Your observations become a visual record of your cycle.
Instead of reducing your body to a predicted period date, your chart shows what you actually experienced, day by day.
As your chart develops, patterns that once felt random can begin to make sense.
You become more familiar with what is typical for your body and more confident recognizing when something feels different.
Your body isn’t a problem to solve. It’s something worth learning to understand.
You may be single. Dating. Engaged. Years away from marriage. Coming off hormonal contraception. Trying to make sense of cycles that have always confused you.
Or maybe you simply realized no one ever taught you this.
You don’t have to be trying to achieve or avoid pregnancy to benefit from understanding your cycle.
Corvia gives you a place to learn the Billings Method for what it can teach you right now: how to observe your body carefully, understand its natural rhythm, and become more confident in what you notice.
Designed for your season
There doesn’t need to be a bigger reason. Knowing your body is reason enough to begin.
Why Billings?
Corvia uses the Billings Ovulation Method because it begins with something simple: learning to observe the signs your own body gives you each day.
Instead, Billings teaches you to recognize your own patterns through daily observation.
For Corvia, that matters.
Because we believe understanding your cycle should begin with your body, not an algorithm trying to predict it.
The Billings Method is also firmly rooted within Catholic Natural Family Planning and offers something especially valuable: a method you can begin learning now and continue using as your season of life changes.
What begins as understanding your cycle can later become a foundation for Natural Family Planning within marriage.
One method. A lifetime of understanding.
The Billings Ovulation Method begins with observation, not calculation.
Instead of asking an algorithm to predict what your body will do next, you learn to pay attention to what your body is doing today.
Corvia walks you through that process with simple daily check-ins, clear explanations, visual charting, and guided learning as you go.
You don’t need to understand everything before you start.
You learn by observing.
Understanding the female body doesn’t have to be separate from understanding how intentionally it was created.
Corvia approaches your cycle with reverence for both.
Prayer is woven throughout the experience, alongside saints, feast days, and opportunities to bring what is happening in your life and body before God.
Not because every observation needs a spiritual explanation.
But because your body is part of you, and all of you belongs in your relationship with Him.
Learn as you go
You don’t need a textbook before you begin charting.
Corvia’s learning library is there as questions naturally come up: what you’re observing, why changes happen, how the Billings Method works, and what the patterns on your chart may mean.
Short lessons help you build understanding without overwhelming you.
A little at a time. One cycle at a time.
Explore the learning library →Learning your cycle today can become a foundation you carry into every season that follows.
If marriage and Natural Family Planning become part of your life later, you won’t be meeting your cycle for the first time.
And Corvia grows with you. When your season changes, you can change your experience without starting over. Your chart and history come with you.
Explore Corvia for Married Women →Common questions
No. This experience is designed for women who want to focus on understanding and charting their cycle without making intercourse part of their daily tracking.
If you’re married and want to include intercourse within your charting experience, Corvia’s Married experience is designed for that season.
Not at all.
You can learn your cycle simply because you want to understand your body better. Corvia doesn’t require pregnancy to be your goal.
Yes. Corvia teaches you to observe and chart using the Billings Ovulation Method, with guidance designed to make the process easier to understand and use in everyday life.
Because it begins with observation.
Billings teaches you to recognize what your own body is doing rather than relying primarily on predictions or devices. It is also a well-established method of Natural Family Planning used within the Catholic Church.
For Corvia, it was a natural fit: simple, body-aware, and capable of growing with you through different seasons of life.
You can still observe and chart what is actually happening in your body.
Corvia isn’t built around assuming every woman has a 28-day cycle. Your chart begins with your observations, not a predicted calendar.
That’s completely fine.
You don’t need to know the terminology or understand a chart before you begin. Corvia teaches you what to notice and helps you build understanding as you go.
Yes.
Corvia is designed to grow with your season of life. Your account and chart history stay with you when you move to a different experience.
Yes. Corvia runs in your browser today, with iOS and Android apps in the pipeline. It works on any device with a browser: phone, tablet, family iPad, laptop. No app-store download required.
Sign in with your account when you use it and sign out when you are done. Nobody else sees your observations.
Yes. The Beginning womanhood experience contains no fertility framing, no intercourse tracking, and no ads.
See For Mothers for a full walkthrough of what your daughter will and will not see.
You do not need one. Corvia runs on any web browser, so a shared family computer or iPad is perfectly fine.
Corvia never sells your data, and cycle observations are encrypted at rest.
You can delete everything with one tap from your profile.