How effective is Natural Cycles as birth control?

Natural Cycles claims to be 98\% effective with perfect use and 93\% effective with typical use. The company maintains its specific algorithm provides greater reliability than other calendar-based FAMs.

How reliable are birth control apps?

Research suggests some apps may be about 93\% effective. To compare, the birth control pill is about 99.7\% effective when used correctly.

How long does it take for Natural Cycles to work?

It can take up to three months for the app to ‘learn’ your likely menstrual cycle. Natural Cycles’ maker claims the app is “effective from day one,” but that simply means that the app displays more red (use protection) days than green days until it has gathered enough data.

Why is Natural Cycles telling me to take a pregnancy test?

This causes the temperature to remain elevated after the expected period. If that happens to you, Natural Cycles recognizes that conception has possibly occurred and will prompt you to take a pregnancy test for confirmation (whether you are using NC° Plan Pregnancy or NC° Birth Control).

Do Cycle Tracker apps work?

“Unless someone is checking ovulation through physical means, like by using an ovulation prediction kit, the cycle app is just providing an estimate of when their fertile days are,” Dr. Chan says. In fact, a 2018 study found that the accuracy of prediction by menstrual cycle apps was no better than 21\%.

Are Natural Cycles FDA approved?

Natural Cycles was cleared by the FDA as the first app-based birth control in 2018 — a controversial decision that came after the app was linked to unintended pregnancies in Sweden.

How many Natural Cycles is a Green Day?

You may get your very first green days as early as in your first cycle and up to roughly 40\% green days. With each cycle, you will experience more and more green days as the algorithm is getting to know your unique cycles. After a couple of cycles, you may receive roughly 70\% green days in one cycle.

How soon can Natural Cycles detect pregnancy?

When’s the best time to take a pregnancy test? We recommend taking a pregnancy test on the first day of your missed period if you think you might be pregnant. If you’re using the Natural Cycles app, you will be prompted on the best day to take a pregnancy test.

Can you get pregnant on your period Natural Cycles?

While it’s extremely unlikely, the simple answer is yes. Women are not able to conceive whilst on their period, but sperm survives within the female reproductive system for up to five days. This means that a tiny fraction of women do have a small chance of becoming pregnant from unprotected sex during their period.

Does cycle tracking work as birth control?

“When you use Natural Cycles perfectly, the birth control app is 98\% effective,” the website states. “Perfect use means using condoms or abstaining from sex on red days (when you’re fertile).”

How do you track your period on birth control?

Here’s how you do it: Mark the first day of your period (this is day 1). Then mark the first day of your next period. Count the total number of days between each cycle (the number of days between the first days of each period).