Cervical mucus and fertility: everything you need to know

Cervical mucus helps you determine your fertility. The consistency of the mucus over the cycle you can tell if ovulation is imminent or has already passed. Observing cervical mucus is quite simple and an important part of the syntothermic method. Here you can find out what stages cervical mucus goes through, how it feels and what it looks like, and how you can use it to gather clues about your fertility.


What is cervical mucus?

Muco cervical it is a secretion produced by the glands of the cervix. It protects against pathogens and optimally prepares the climate in the vagina for fertilization. Cervical mucus changes consistency over the course of your period and shows you when you are most fertile.

How can I tell if I am fertile by looking at cervical mucus?

Cervical mucus changes over the course of the cycle. It may not appear at all at first, then it becomes whiter and creamier - and the closer you get to ovulation, the thinner and more prickly the mucus becomes. Here's how you can see ovulation is approaching. And you are only fertile around ovulation.

What does cervical mucus look like during ovulation?

The thinner and more flexible the cervical mucus, the closer you are to ovulation. After ovulation, the appearance of the mucus changes significantly: it becomes creamier, sometimes lumpy, or disappears altogether.

How to observe cervical mucus correctly?

It is best to observe the cervical mucus every day - between the fingers or on the toilet paper. Most women can easily assign their observation to one of the categories used in symptothermal family planning.

What is cervical mucus actually?

Strictly speaking, what you perceive as a secretion is a secretion produced by the glands of the cervix. It has various tasks: for example, it protects you by "clogging" the cervix and thus preventing the entry of bacteria.

Cervical mucus exists independently of excitation mucus and discharge.

Observing and documenting cervical mucus is one of a few methods natural family planning.

  • In the course of your cycle cervical mucus changes due to the influence of the hormones estrogen and progesterone. This makes it an important sign for the current one cycle status. It can tell you exactly where you are in the cycle. 

    The estrogen hormone is released first ovulation formed by the maturing follicles. The more estrogen is formed, the more the cervical mucus liquefies: it becomes more transparent and spinnable. The pH value of estrogen-rich cervical mucus is basic and can therefore protect penetrating sperm from the acidic vaginal environment. 

    The progesterone hormone is after ovulation formed by the so-called yellow body (corpus luteum). The more progesterone is formed, the denser and drier the cervical mucus becomes. It also no longer flows down the vagina and seals the cervix. This protects the body from the entry of pathogens. 

Observe cervical mucus correctly!

Cervical mucus can be observed in several ways: hearing, hearing and seeing. As hormone levels change throughout the day, it is important to monitor cervical mucus throughout the day. To observe the cervical mucus it is sufficient to clean the vaginal opening with your finger or with toilet paper (preferably before going to the bathroom so as not to be confused by the urine) and think about the following:

How does the vaginal entry feel? Is it dry, humid or maybe even wet? How does cervical mucus feel? Does it feel slippery or slippery? What does cervical mucus look like? you see it at all What color is it?

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Stage 2: creamy cervical mucus

When the follicle grows and spreads to the ovulationprepared, you can also tell from your cervical mucus. It is cloudy, whitish or yellowish and is thick, creamy, lumpy, sticky or rubbery and not elastic.

  • whitish, creamy

  • lumpy, dense, whitish or yellowish

  • whitish, creamy

Stage 3: glassy cervical mucus

The closer you are to yours ovulation come and become fertile, the more cervical mucus you produce and the better its quality. Better in this case it means clear, glassy and transparent. Sometimes it has a slight yellow tinge or contains white streaks, is elastic and feels slippery and slippery. Sperm feels particularly comfortable here.

  • vitreous, elastic, fibrous

  • vitreous, interspersed with whitish streaks, like raw egg white

  • vitreous, threadable

Stage 4: dryness after ovulation

After yours ovulation the cervical mucus becomes cloudy and lumpy again or disappears completely. It looks like your vaginal entrance is completely dry again.

  • Dryness, little or no cervical mucus

What does cervical mucus have to do with natural family planning?

Observing cervical mucus can help you with this cycle to observe. This changes over the course of the cycle due to the influence of hormones. Cervical mucus is therefore a bodily sign that helps you recognize whether you can get pregnant or not.

However, research has shown that, in terms of safety, it is best to look at two bodily signs: the cervical mucus AND the core body temperature. Therefore, the safest method of hormone-free contraceptive control is the symptothermal method. It provides the criteria for correctly observing and evaluating cervical mucus and core body temperature. the syntothermic method it helps you to recognize if you are currently fertile or not.

What do the abbreviations of cervical mucus mean?

t (lowest quality)

Sensation: feeling of dryness, roughness, itching and discomfort E.
nothing is seen, there is no cervical mucus at the entrance to the vagina

Sensation: I felt nothing, no moisture, no sensation at the entrance to the vagina E

nothing is seen, there is no cervical mucus at the entrance to the vagina


Sensation: wet BUT
Appearance: nothing is seen, there is no cervical mucus at the entrance to the vagina


Sensation: wet or nothing felt E
Thick, whitish, cloudy, creamy, lumpy, yellowish, sticky, milky, non-removable or viscous

S + (highest quality)

Sensation: wet or nothing felt E

Appearance: vitreous, vitreous translucent, such as raw egg white (vitreous interspersed with white threads), stretchable or stringy, stringy, liquid, so thin that it "runs off like water", reddish, reddish-brown, yellowish-reddish

What does Trackle have to do with cervical mucus?

Cervical mucus is one of the two body markers that help trace Determine your cycle:

the core body temperature it is measured by vaginal sensor at night, you don't have to worry about anything else consistency of your cervical mucus You determine this yourself through observation and enter the results in the app. Here are standardized buttons that help you classify your observation correctly.

Calculated from these two factors trace according to the rules of symptothermic methodology your fertility