Conception Calculator | Predict Your Fertile Window

Select the first day of your last menstrual period
Enter your details to estimate healthy weight gain during pregnancy.
Your Week of Pregnancy
Your Pre-Pregnancy Weight
Your Weight Right Now
Your Height
By entering the date of your last menstrual period and the length of your typical cycle, you can identify your most fertile days and increase your chances of conception.
The first day of your last period
Cycle Length
How do you calculate your baby’s due date with an IVF pregnancy?
For centuries, eager parents have looked at the Chinese gender calendar to find out whether they’re having a baby boy or baby girl.
Use this calculator to estimate the future period days or the most probable ovulation days. Modify the values and click the Calculate button to use.
Use this calculator to determine your safe days based on your menstrual cycle. Modify the values and click the Calculate Safe Days button to use.
Calculate when implantation may have happened based on your ovulation or last period date.
Your implantation range is between
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