Ovulation Calculator

An ovulation calculator will help you predict the best days for you to conceive. Based on the information you provide, it will determine your most fertile days of the month.

Knowing when you are most fertileincreases your changes to catch that egg!

How to use:

Enter the first date of your last menstrual period, your average cycle length and then click the Calculate button.

Number of Days in your Cycle:
(if you are not sure of the number of days in your cycle, 28 is a standard default)

Enter the first day of your last normal menstrual period (LMP):

Month:
Day:
Year:

Your Estimated Date of Ovulation:

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