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Ovulation Calendar

Use this calculator to help you identify your most fertile days.

The first day of your last period:

Please choose the first day of your last period.

Cycle Length:

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Embed Ovulation Calendar

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<iframe src="https://www.smartparenting.com.ph/pregnancy/ovulation-calendar?embed=1" height="610" style="border:0;display:block;margin:auto;width:94%" class="gtm-ovCalculator"></iframe>
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Disclaimer: This tool should not be used to prevent pregnancy. Results are based on estimates and actual ovulation will vary for each woman.