Our Ovulation Test strips track your LH levels day by day to predict your 2 most fertile days. Measuring low, high, and peak LH gives you more insight into your fertile window than other ovulation tests. Plus you can scan and log your LH tests with our free app.
Find your 2 most fertile days
99% accurate at detecting LH 
Works with your unique cycle
Free app: Use your camera to easily log your tests
At a glance, you’ll know if your result is above the average LH surge threshold of 25 mIU/mL when the test line is darker than the control line on the strip.
Works with your cycle
Your result matches to low, high, or peak levels to map a unique LH curve — even if you have irregular cycles or surge below the average LH threshold.
Works ~like magic~ with our app
The Modern Fertility App uses your camera to automatically scan and log your test so you can predict your fertile window.
Community is built in
Join the Modern Community where you can connect with others and ask fertility experts your questions.
Pee in a cup. We recommend testing in the afternoon.
Dip the test strip up the MAX line for 10 seconds.
Let the strip sit for 5 minutes then match the test line to the color bar to find your LH concentration.
Log your test on paper or in the Modern Fertility App with your camera to pinpoint your 2 most fertile days.
Repeat daily to track your LH at low, high, and peak levels. The darker the test line, the closer you are to an LH surge.
Free app to scan and log your tests
The Modern Fertility App is an ovulation and cycle tracker that makes it easier to predict the 2 days you’re most likely to get pregnant
Use your camera to scan and log your test like magic to build a full picture of your cycle.
Track your LH levels so that your can predict your LH surge.
See your entire menstrual cycle, LH test results, and fertile window predictions, all in one place.
BACKED BY TOP PHYSICIANS
“The Modern Fertility Ovulation Test will give you more insight into your LH levels than you’d get from a standard ovulation test kit. I recommend it to all of my patients. Instead of a ‘go’ or ‘no go,’ you’ll see your LH concentration change, which is a better way to pinpoint your fertile window and predict when you’re ovulating. You’re in good hands.”
- Nataki Douglas, MD, PhD Chair of the Modern Fertility Medical Advisory Board OB-GYN, reproductive endocrinologist
How it works
It's kind of like pee magic
Our home ovulation test detects luteinizing hormone (aka LH) in your urine. When LH meets antibodies on the test strip, the test line darkens — the darker the line, the more LH there is in your urine. Unlike most other ovulation tests (aka ovulation predictor kits), you'll be able to match the shade of your test line to the corresponding LH level (kind of like those pH strips you played with in middle school).
Talk LH to me
The brain triggers a large LH surge 24-48 hours before you ovulate, making it an excellent predictor of ovulation. An LH surge prompts the ovary to release an egg (that can then be fertilized by sperm). If you’re trying to get pregnant, you want sperm to be ready and waiting to fertilize an egg, which is why your “fertile window” is 6 days: 5 days before you ovulate and the day you ovulate. Your 2 most fertile days are the day of and the day after your LH surge.
RitaRating: 4 out of 5 stars
Getting insight into my ovulation
The kit is straight forward and easy to read. I wish there was an app compatible with android for easier tracking.
AnnaRating: 5 out of 5 stars
I was confused the last time I used random ovulation tests because I couldn’t tell if the line was getting darker or not. With Modern Fertility ovulation tests and the handy app, I felt at ease knowing exactly what was happening in my body
AmyRating: 4 out of 5 stars
They are easy to use,
They are easy to use, however the downside is that there currently is not an app available for Android users to track.
1 / 9
 99% accurate at detecting the LH concentrations shown on the chart in laboratory studies.
 Cannot be used for contraception.
 Based on the top 5 LH-only ovulation tests sold in retail stores by sales volume. Source: Nielsen retail sales data in 2021.
More fertility essentials
Modern Fertility and Ro products are designed to give you more agency over your reproductive health, so you can own the decisions impacting your body and your future.
Modern Fertility Hormone Test
The most comprehensive fertility hormone test you can take at home to be proactive about your fertility.Learn more
Ro Sperm Kit
A trusted, easy, and fast way to test and store sperm.Learn more
Modern Fertility Ovulation Test
Find your 2 most fertile days, predict ovulation, and get in sync with your cycle.Learn more
Modern Fertility Pregnancy Test
Test if you’re pregnant and trust the result—plain and simple.Learn more
Modern Fertility Birth Control
Connect with a provider to get a prescription for the pill if it's appropriate.Learn more
Modern Fertility Prenatal Multivitamins
Developed with OB-GYNs to prep your body now for kids whenever.Learn more