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Most fertile days calculator

Most fertile days calculator allows you to calculate your most fertile days, if you want increase your chances of getting pregnant, and get an ovulation calendar to the next few month.

Enter information about your menstrual cycle to calculate your fertile days

Date of the first day of menstruation (
Average length of menstrual cycle:
from 22 to 45, usually 28
Average duration of menstruation:
from 2 to 8, often 5
For how many cycles to calculate:
Ovulation is a process, when a mature egg is released from the ovary, pushed down the fallopian tube, where is there among next 48 hours, and is available for fertilization. This is a time, when you have a best chance to getting pregnant.