Take charge of your health. Sign up for HealthyWomen newsletters:
Pregnancy & Parenting > Ovulation Calculator
Find out more about:

Ovulation Calculator

Share on:

Wondering when your most fertile days are? Use our simple tool to find out.

Please select the first day of your last menstrual period:



Usual number of days in your cycle:



Related Content:
How to Use a Fertility Calculator
Support for Fertility Challenges
Infertility and Your Relationship
Fertility-Boosting Foods
Trying to Conceive: 10 Questions to Ask
5 Ways to Prepare for Pregnancy