This ovulation calculator app calculates the fertile days, thus increasing the chance of becoming pregnant.
by you use your most fertile days.

To calculate the fertile days with ovulation calculator, only the first day of your last period and cycle length must be entered.


The Eisprungberechner immediately determined the six most fertile days of the current month and the next four 5 months. Moreover, the results obtained, the calculated date of birth in case of pregnancy.