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Calculate ovulation: When am I fertile?

How can I actually calculate my ovulation? This question is especially important for women with Desire to have children very interesting. After all, the probability of becoming pregnant and thus fertility is highest on the day of ovulation.


Ovulation rarely causes physical pain - in most cases women do not even notice it. This makes it quite difficult to detect it. You can now find a variety of Ovulation calculators However, in our blog post we want to valuable tips that will help you find out the day of your ovulation as best as possible, even without an ovulation calculator.

What is ovulation?

We have already used the term 'ovulation' a few times. But what is ovulation and what happens in this phase of the cycle?


Let’s start with the basics: The Menstrual cycle varies in length from woman to woman. It starts on the first day of the period and ends on the last day before the next menstrual period. The length of the cycle is usually 23 to 35days , where the average Cycle length 28days The cycle is divided into four different cycle phases: The Menstrual phase , the Follicular phase , the Ovulation phase and the Luteal phase The ovulation phase is the phase in which ovulation takes place. Therefore, we want to take a closer look at this.

As a rule, ovulation occurs once in each menstrual cycle, usually 12 to 16days before the period. But what happens here? During ovulation  an egg is released from the ovaries into the fallopian tube due to hormonal changes A woman can only become pregnant if the egg is replaced by a sperm fertilized within 24 hours after ovulation Otherwise the egg cell will disintegrate and Shedding of the uterine lining and menstruation begins. 

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Calculate ovulation - tips

In women with an average cycle length of 28days n it is assumed that ovulation takes place on the 14th day of the cycle. That would be exactly 14days before the next period. However, not every woman falls under this 'average', has a regular cycle and can make this assumption. Therefore, we have put together a few helpful tips to help you determine the expected day of your ovulation.


One method to calculate your ovulation is the  Documentation of your cycle Always note the start and end of your period on your calendar. You should do this over a longer period of time to see whether your cycle is regular or not.With a regular cycle, ovulation usually occurs 12 to 16days before menstruation. This makes it relatively easy to determine the time when you are likely to ovulate.

Ovulation symptoms: How do I notice it?

Physically, a lot will change in you as you ovulate. We want to show you these changes in your body. Because once you know the symptoms of ovulation, you can estimate relatively well when it will take place.

In the first  In the first half of the cycle, i.e. from the beginning of your period to ovulation, the body temperature is lower than in the second half. One day before ovulation, the temperature drops briefly and then rises by 0.2 to 0.5 degrees. This is how you know that ovulation has occurred. You should measure your temperature over a longer period of time. If three consecutive values ​​are higher than the highest value of the past sixdays , you can assume that ovulation has occurred. Important: You should always  Measure basal temperature, i.e. the temperature immediately after waking up.

The day before ovulation occurs, the level of luteinizing hormone (LH) increases. The increase in this hormone is responsible for the release of the mature egg and thus ovulation. With the help of an appropriate LH test, you can detect when you are ovulating. 

In addition  the cervix changes  during ovulation. Feel the cervix with your finger over a longer period of time. This becomes softer towards the time of ovulation and the position also changes - it is then higher.

Check your  discharge  because this also changes depending on the phase of the cycle and can tell you when ovulation takes place. Before ovulation, more cervical mucus is produced; it is usually thinner than usual and crystal clear. After ovulation, it becomes weaker again, white-yellowish and the consistency is more sticky.

If you want to know more about vaginal discharge during the cycle phases  If you want to know more, please read our blog post about it!


Our tip for you: Our washable pads are not only good for catching your bleeding. You can also use them for vaginal discharge and no longer have to worry about it ending up in your underwear. Our String is perfect for discharge and looks super chic. 

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