Ovulation tests

4 best ovulation predictor kits

When you’re trying to get pregnant, knowing when you’re ovulating is key because your egg only has a lifespan of 12 to 24 hours after you ovulate. An ovulation predictor kit, which detects the luteinizing hormone (LH) surge that occurs just before ovulation, is one of the easiest ways to determine the best time to have sex in order to increase your chances of getting pregnant. (Advanced ovulation kits also detect estrogen, which rises before the LH surge, letting you know sooner that you’re approaching peak fertility—ideal sperm can survive in the Fallopian tubes for five to six days.) To find the best ovulation predictor kits, our editors and women who were trying to get pregnant put 10 products to the test to see which ones offer clear, accurate results and are easy to use. We also looked at the price points in comparison to what you get from each product—an important thing to consider because the cost can add up for couples who are trying to conceive for several months. Here are the best ovulation predictor kits to help you pinpoint your most fertile days.

Clearblue Advanced Digital Ovulation Test
Best for Women who want a longer window of opportunity when trying to concieve
Top benefits Detects rise in estrogen in addition to luteinizing hormone to give you more warning of impending peak fertility, easy to read results, simple to use
Considerations Absorbent tip to hold in stream is narrow
Bottom line The Clearblue Advanced Digital Ovulation Test takes the guesswork out of predicting ovulation, with an extended window of opportunity leading up to ovulation. With a digital reader that displays a smiley face when you’re ready to roll, with the face remaining on the screen for 48 hours during peak fertility, there’s no ambiguity about this clear and accurate test.
walmart.ca CAD $52.98 walmart.com USD $42.97
First Response Easy Read Ovulation Test
Best for Women looking for a simple ovulation test stick that has a longer-than-average window to read results
Top benefits Accurate and clear results, easy to position for in-stream testing, result can be read for 1 hour (much longer than most test sticks)
Considerations Plastic housing is broad so there's a bit more plastic waste than with other test sticks
Bottom line First Response Easy Read Ovulation Test accurately identifies the luteinizing hormone surge that begins 24 to 36 hours before ovulation. This test stick has a wide thumb grip that makes it easy to hold in stream, and results can be read for an hour after taking the test—significantly longer than a lot of other non-digital ovulation products.
walmart.ca CAD $39.97 walmart.com USD $48.95
Clearblue Easy Ovulation Test
Best for Women looking for a simple non-digital ovulation test stick
Top benefits Accurate and consistent results, easy to use, 10-minute window to read results
Considerations Non-digital
Bottom line The Clearblue Easy Ovulation Test accurately and consistently measures LH surges to help you pinpoint the best time to try to get pregnant. It’s a simple test that shows clear results that remain accurate for up to 10 minutes—longer than many other ovulation tests.
walmart.ca CAD $36.58 walmart.com USD $39.88
[email protected] Ovulation Test Sticks
Best for Women looking for ovulation test sticks that come in large quantities and are budget-friendly
Top benefits Quick and clear results, budget-friendly price point, bulk quantity
Considerations Testing tip may be a bit tricky to position
Bottom line [email protected] Ovulation Test Sticks are simple and easy to use, offering quick results at a budget-friendly price point that’s hard to beat.
amazon.ca CAD $31.40 amazon.com USD $25.98

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