

You may have already noticed: Even before you reach orgasm, a clear fluid sometimes leaks from your urethra. Colloquially, it's called pre-ejaculate , and medically, it's called pre -cum .
But what's behind it? Can you get pregnant from it? Does pre-cum contain sperm? And how does pre-cum affect sex? In this guide, you'll learn everything you need to know about pre-cum—from its biological function and risks to myths and facts.
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What is pre-cum?
Pre-cum is a clear fluid that comes out of a man's penis before ejaculation begins. It is produced by the bulbourethral glands , which are located beneath the prostate.
It often occurs during foreplay, sexual arousal or stimulation – sometimes only a few drops, sometimes significantly more.
Why does the body produce pre-cum?
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Neutralization of the urethra
Urine can leave residue in the urethra.
Pre-cum ensures that these are neutralized so that sperm have a better chance of survival later.
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Natural lubricant
Pre-cum makes the penis more lubricated, which makes sexual intercourse easier.
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Signal of excitement
The appearance of pre-cum indicates that the body is sexually aroused.
Does pre-cum contain sperm?
This is one of the most frequently asked questions – and the answer is: It depends.
Pre-cum itself does not normally contain sperm , as it is produced in glands that are not connected to the testicles.
However, sperm residues may be present in the urethra, for example, after a previous ejaculation. These can be flushed out and carried along by the pre-cum.
Conclusion: Pre-cum contains less sperm than semen – but pregnancy is not impossible .
Tips for safe handling of pre-cum
Use condoms – even during foreplay or brief penetration.
Be aware of the risks when practicing the withdrawal method.
Regular STI testing is a good idea if you have multiple partners.
Talk openly with your partner about contraception and the risks – this builds trust.
Frequently Asked Questions (FAQ) about Pre-Cum
1. Can you influence the amount of pre-cum?
The amount varies from person to person and is hormonally controlled. Some men produce a lot, others almost nothing. Factors such as fluid balance, general health, and sexual arousal can slightly influence the amount—but it cannot be specifically controlled.
2. Does pre-cum change with age?
Yes. Younger men often report more pre-cum, while production may decrease with age. This is a normal process and nothing to worry about.
3. Is pre-cum visible even if you don't have an erection?
No. Pre-cum only comes out during sexual arousal. Without an erection, the fluid remains in the glands and is not released.
4. Can pre-cum stain clothes?
Yes, especially in men who produce larger amounts. While the fluid is clear, it can leave visible, darker stains on underwear or fabric—similar to sweat stains. These are usually easy to wash out.
5. Can pre-cum be used for a fertility test?
No. Pre-cum usually contains no or very few sperm. Fertility tests always require semen, as this is the only way to reliably measure sperm concentration.
6. Does pre-cum smell or taste good?
Pre-cum is usually almost odorless and tasteless. However, a noticeable smell or bitter taste can indicate an infection. Those who frequently engage in oral sex may sometimes perceive the pre-cum as slightly salty.
7. Does diet affect pre-cum?
Indirectly, yes. As with semen, diet can affect the taste and smell of bodily fluids. A balanced diet, plenty of water, and limited alcohol and nicotine can make pre-cum more "neutral."
8. Are there any health problems if no pre-cum is produced?
No. Men who produce no or very little pre-cum are perfectly healthy. This has no impact on fertility or erectile function.
Conclusion: Small drops, big impact
Pre-cum may seem inconspicuous, but it plays an important role in reproduction and sex. It makes lovemaking more pleasurable, but it can also carry sperm and pathogens.
If you protect yourself and know the risks, you don't have to worry unnecessarily. The important thing is that you take pre-cum seriously and don't underestimate it – then you'll be on the safe side.
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