Home > Infertility Help > Fertility Charting & Tests > How to Know When You’re Ovulating – Ovulation Predictor Kits

How to Know When You’re Ovulating – Ovulation Predictor Kits

Ovulation predictor kits are the easiest, most accurate way to know when you’re ovulating. If you’re trying to get pregnant, you need to know when your eggs are coming down the chute, so you can send the sperm to meet them.

These three ways to predict ovulation are easy and effective – and they don’t involve stretching your cervical mucus between your fingers!

“Ever notice that sometimes your underwear is really wet and sticky?” write Heidi Murkoff and Sharon Mazel in What to Expect Before You’re Expecting. “It’s your cervical mucus at work…it reflects the normal hormonal ups and downs of your cycle, which you can use to help you pinpoint ovulation day.”

But checking your mucus and underwear can be messy and icky. Instead, use the Clearblue Easy Fertility Monitor Test Sticks – it’s one of the easiest, more accurate ways to know when you’re ovulating.

And, here are three easy ways to predict when you’re ovulating…

How to Know When You’re Ovulating – 3 Types of Ovulation Predictor Kits

Saliva Tests. Saliva tests predict when you’re ovulating by monitoring the levels of estrogen in your system (estrogen rises before ovulation, before the LH surge). By tracking your estrogen levels, you’ll get an early indication of when ovulation will occur – which increases your chances of getting pregnant.

Before you eat, drink, or brush your teeth in the morning, you’ll dab a bit of saliva on the lens of the saliva test. When it’s dry, you’ll look at it with the test’s eyepiece. “When you’re about to ovulate, your saliva will reveal a microscopic pattern that resembles the leaves of a fern plant or the frost on a window pane,” write Murkoff and Mazel. “The rest of the time, you’ll just see random dots. Once you see your fern, get ready to start baby dancing!”

For more info, check out the Ovulite Unlimited Testing Personal Ovulation Microscope.

Fertility Monitors. Fertility monitors predict when you are ovulating by testing for both LH and estrogen in your urine, giving you a six day window of fertility opportunity. This gives you lots of time to try to conceive a baby — many ovulation tests only give you a 24-36 hour advance prediction of optimal conception time.

You can start with your fertility monitor from day one of your period. So, you’ll test your urine until the monitor tells you when it’s time to start using the urine test strips (they come with the package).

“When you get the heads-up signal from the monitor, you’ll pee on the test strip, insert it into the monitor, and wait for the monitor to indicate whether your fertility status that day is high, low, or at its peak,” write Murkoff and Mazel in What to Expect Before You’re Expecting.

For more info, check out the Clearblue Easy Fertility Monitor.

If your menstrual periods aren’t regular, read 8 Natural Ways to Regulate Your Period. The more regular your periods, the higher your chances of getting pregnant.

Ovulation Predictor Kits. This is probably the least expensive, most common way to predict when you’re ovulating; I describe them fully in How Ovulation Predictor Kits Work. The bottom line is that they tell you when your egg is ready to be fertilized by the sperm. If you have intercourse when your egg is ready, you increase your chances of pregnancy.

Go directly to the source! The Clearblue Easy Digital Ovulation Test is a bestselling pregnancy product on Amazon.

Are you trying to get pregnant? Fairhaven Health's Hormone Balance Bundle improves egg quality, encourages cycle regularity, and helps your body ovulate regularly.

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If you have any thoughts or questions on how to know when you’re ovulating, please comment below…

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10 thoughts on “How to Know When You’re Ovulating – Ovulation Predictor Kits”

  1. Hi Moureen,

    If you have an ovulation predictor kit, it should include instructions for knowing when you’re ovulating — or when your peak day is.

    What do the instructions say?

  2. Although other methods can be used, such as the cervical mucous method and basal body temperature, they may not be as accurate.

    You are most fertile for two days before ovulation, on the day itself and the following day…and an ovulation predictor kit can help you pinpoint those days and make it easier to get pregnant!

  3. Congratulations on being five months pregnant, Clarissa! How exciting 🙂

    And, thanks for the tip about the saliva based ovulation predictor kit. Good to know they work!

    Enjoy your baby bump…


  4. I used a saliva based kit with great success! Ovu-trac (www.ovu-trac.com). It’s reuseable so you don’t have to waste a lot of money on it, and it’s individual to your own body chemistry. You can buy it online. Just thought I’d share since I’m using it. I’m 38 and found success within 4 months of using it. I am now 5 months along!

  5. Your post 3 Easy Ways to Predict When You Are Ovulating was very interesting. I found it when I was searching for ovulation predictor kits. I have your blog in my bookmarks now and will visit again. Take care.

  6. I just found out that there’s a fertility “watch” that can predict ovulation and fertility levels!

    This fertility watch detects surges in ion levels, which come before LH surges, and gives you a 4 to 6 day warning that ovulation is approaching.

    If you want more info about it, just let me know. I’d be happy to research and write about fertility watches!