Calculate ovulation and fertile days – the ovulation calculator

Unfortunately no. Because ovulation is the basic prerequisite for an egg and a sperm to fuse.

As a rule, a woman has two ovaries with one to two million eggs at birth. During childbearing age, eggs mature in a follicle (fluid-filled egg sac) in one of the two ovaries every month. On average there are 10 to 20 follicles every month. In most cases, however, only one of them grows into a mature follicle egg.

period without ovulation – is it possible?

The onset of menstruation does not automatically mean that ovulation has occurred. Because even without ovulation, the mucous membrane of the uterus is shed regularly. It is possible that a follicle has matured, but no ovulation has taken place. In this case it is called an anovulatory cycle. The bleeding that starts in an anovulatory cycle is called cessation bleeding.

When does ovulation occur?

For most women, ovulation takes place about 14 days before the start of the period. However, every woman’s body is subject to its own rhythm.

  • Hormonal fluctuations,
  • situational conditions such as family or work stress or
  • climatic changes due to travel

This is the reason why it is often not possible to give exact information about the time of ovulation. The duration of a menstrual cycle is between 26 and 35 days. Significantly shorter or considerably longer cycles are not uncommon. The average cycle length is usually assumed to be 28 days. For the majority of women, however, the menstrual cycle does not function with such precision. Monk’s pepper supplements can help regulate the cycle naturally. Read more about this topic here.

Use the ovulation calculator to get an orientation about your cycle.

Is ovulation noticeable?

Especially women who want to have children observe changes in their body during the cycle very carefully. But even women who don’t want to have children know it: the middle pain. This pain is expressed by a pulling in the abdomen at the time of ovulation (ovulation). The reason for this middle pain is an abdominal irritation caused by the bursting of the follicle. In addition to the perceptible middle pain, the change in cervical mucus can also be an indication of ovulation. It becomes thin on the fertile days.

On which days can I get pregnant?

The fertile days last longer than ovulation itself. The reason: sperm can survive in the body for between three and five days, and the egg can be fertilized up to 24 hours after ovulation. Therefore, one speaks of a fertile window of about six days. Since sperm can fertilize for up to five days, the fertile days begin five days before ovulation. To this must be added the day of the actual ovulation.

With the method of natural family planning you can learn to develop a feeling for your own cycle. Read more about this topic here.

Can I calculate my ovulation?

You can determine your ovulation using your average cycle length and the first day of your last menstrual period. But as we said, your body is not clockwork. The calculation gives you a guideline, not a reliable prediction.

How does the ovulation calculator work?

To be able to determine the timing using the ovulation calculator, two pieces of information are required:

  • The first day of your last menstrual period
  • The average length of your cycle.

Calculate cycle length for a regular cycle.

The average cycle length for a regular cycle is calculated from the difference in days between the respective start of menstruation of two menstruations.

  • First menstrual day in the first menstrual cycle: 1. January
  • First day of menstruation in the second menstrual cycle: 30. January
  • Since on 30. January is the start of the new menstrual cycle, the end of the first menstrual cycle is already January 29. January.
  • January to 30. January minus one day = the cycle is 29 days long

Cycle length in case of irregular cycle

Here the calculation is a bit more complex. In order to determine the different cycle lengths, the average of past menstrual cycles has to be taken. Don’t worry, you don’t have to be a calculator to do this. With a carefully kept menstrual calendar or. Cycle calendar allows you to do this easily.

Again, the cycle length is calculated from the difference in days between the start of two menstrual periods minus one day (otherwise the first menstrual day in the second cycle would be counted twice).

To obtain an average cycle length, the lengths of all the cycles are added together and divided by the number of cycles. The more cycles are recorded, the more accurate is the result of the average cycle length.

Example of an average cycle duration with six determined menstrual cycles:

  • first cycle with a length of 29 days
  • second cycle with a length of 28 days
  • third cycle with a length of 30 days
  • fourth cycle with a length of 32 days
  • fifth cycle with a length of 25 days
  • sixth cycle with a length of 30 days

The average cycle length is therefore: 29 days + 28 days + 30 days + 32 days + 25 days + 30 days = 174
174 days divided by six cycles = 29 days the cycle lasts on average.

Determine your ovulation

Since most women ovulate about 14 days before the onset of their period, the ovulation calculator can now be used to determine the time and with it the fertile days. You will also be shown the days on which the fertilized egg would implant.

And when the big moment has come? Our ovulation calculator tells you when you can take your first pregnancy test via urine. The results are recorded for you in an ovulation calendar. You should see your gynecologist at the latest if the result is positive.

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