Calculate ovulation

Our Ovulation calculator shows you quickly and clearly your expected ovulation and fertile days — based on the first day of your last period and your average cycle length.

Ovulation calculator - Bimbosan
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Based on the first day of your last period and your cycle length, our calculator calculates your expected due date:

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Frequently asked questions (FAQ) about the ovulation calculator

How accurate is the ovulation calculator?

The computer offers a good orientation, but does not replace a medical diagnosis. Cycle length and ovulation may fluctuate on a monthly basis.

Can the calculator take hormone fluctuations into account?

No The ovulation calculator is based purely on statistical averages.

Is there a difference between SSW calculator and birth date calculator?

A probabilityto recognize the fertile days. However, there is no guarantee.

Are the fertile days the same every month

Not necessarily. Stress, sleep, diet, travel, or illness can postpone ovulation.

What if my cycle is irregular?

If cycles fluctuate, the calculation can become less accurate. In this case, additional methods such as Ovulation tests or basal temperature measurement helpful.

Can I track my cycle with the computer in the long term?

Yes! By using it regularly, you recognize Patterns and Fluctuations

Which inputs do I need?

First day of your last period
Average cycle length (e.g. 28 days)

Any questions? We are happy to help.

Whether you have any questions about our products, want helpful advice or anything else: our Bimbosan experts are always here for you.