My Last Menstrual Period (LMP) was:

Select the date of the first day of your Last Menstrual Period (LMP)
and number of days in your cycle, then click the button.

   

Usual number of days in your cycle:   

2009
April
8
Mon
2009
April
7
Mon

You next most fertile period is:

? to ?.
If you conceive within this timeframe, your estimated due date will be
?