How do ovulation calculators work out your most fertile period?
![](https://www.invitra.com/en/wp-content/uploads/2014/11/menstrual-cycle-ovualtion-670x285.png)
Fertility calculators help to estimate the day of ovulation and, therefore, the days when you are most likely to get pregnant. However, these types of tools are more accurate when the menstrual cycle is regular.These calculators should not be used as a method of contraception.
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When are you most fertile?
![](https://cdn.shopify.com/s/files/1/0718/7087/3879/files/ovulation_tracker_2_480x480.jpg?v=1680244932)
Your ovulation, explained: Signs, Timeline, and Fertility – Fertility Glo
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Ovulation Calculator: Find Your Fertile Window
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How to Track Ovulation to Get Pregnant - Tracking Your Period
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Ovulation: Signs and Symptoms, And How to Calculate For Your Safe And Fertile Days., by Gladys Nduku
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Ovulation Calculator - Track Ovulation & Most Fertile Days
![](https://americanpregnancy.org/wp-content/uploads/2013/01/determining_fertility_window-1.jpg)
Fertility Window Calculator American Pregnancy Association
Ovulation Calculator
![](https://www.clearblue.com/sites/default/files/products/menu/Cb_EN_Lifestyle_Product_CB15_1029x459%201.jpg)
Ovulation Calculator : Estimate your most fertile days - Clearblue
How to calculate your ovulation days, and days you haven't ovulated, without a doctor's help - Quora
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How Long Does Ovulation Last? Finding Your Fertile Days
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6 Ways to Calculate Your Ovulation - wikiHow