Ovulation Calendar

Ovulation Calendar is a program that calculates the time of ovulation and generates your personal fertility calendar.

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Irregular Menstrual Cycle

How do I know that my cycle is irregular?

If your cycles are occasionally irregular, you should not worry too much. However, if your menstrual period frequently occurs more often than every 21 days or less often than every 35 days, or if a period is missed altogether, your cycle can be considered irregular.

Should I be concerned if my cycles are irregular?

An occasional irregular cycle or missed period is usually not a sign of a medical problem. However, consistently irregular periods are often an indication that you have irregular ovulation, or are not ovulating at all. If your cycle is irregular, you need to be evaluated by your physician.

Can I use Ovulation Calendar if my cycle is irregular?

Ovulation Calendar is designed for women with regular cycles. Don't worry about slight variations in your cycle: about 50 percent of healthy women have cycles that are occasionally irregular, and Ovulation Calendar takes these irregularities into account. But if your cycle is consistently irregular, using Ovulation Calendar may result in misleading information about your fertility. We do not recommend using Ovulation Calendar if your cycle is consistently irregular.

Download the Free 45-Day Trial Version of Ovulation Calendar:
ovulation-calendar.exe (871 KB)

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