Ovulation Calculator

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Take some of the guesswork out of planning for pregnancy or the birth of your child. These easy-to-use online tools can help.

Date of your last period:

Based on your information, your most fertile days for the next several months — and their corresponding due dates — are provided below:

Fertile Days:
Resulting Due Dates:

We can email you!

If you want e.p.t® to send you a reminder email the day before you start ovulating, enter your email address below.

Your Email:

Additional Email: e.g., Spouse's Email
Human fertility is very complex and some individuals may find that subjective variations could affect the calculation. Please consult your personal physician to resolve any questions.

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