Fertility Calendar

When are you most fertile? What are your most fertile days to get pregnant? This Fertility Calculator can help you answer the above questions. To use this fertility calculator, your period should be regular. If your period is irregular, this fertility calculator will not give you an accurate result. In this case, you should check for your ovulation signs.

How to use this fertility calculator?

1. Enter the first day of your last period.

2. Enter the number of days in your cycle.

3. Enter your luteal phase. If you don't know what your luteal phase, select 14 days.

4. Click on the Generate Your Fertility Calendar button.

On the next page, you will find out when is your next ovulation day, your next fertility period, and when your next period will start.

Fertility Calculator

First day of your last menstrual period:

Cycle length:  

Luteal Phase:  

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