What is vaginal discharge? Color, odor, and cycle explained

All healthy girls and people with a feminized body will experience vaginal discharge from puberty onwards. Often, the discharge actually occurs before the first bleeding, menarche. The discharge may change:

• Color

• Consistency

• Quantity

• Smell

And yes – it can feel annoying, wet, mysterious and a little confusing. But here's the truth:

Discharge isn't gross. It's not wrong. It's a sign that your body is working. And it has a really important function in your body.

Let's dive into what discharge actually is – and why it's pretty brilliant.

👉 If you want to know the difference between vaginal discharge and cervical mucus, read the article here.

What exactly is discharge?

Discharge (vaginal secretion) is a general term for everything that comes out of the vagina and consists of:

• Blood

• Cell debris

• Excitation fluid

• Lactic acid bacteria (lactobacilli) that keep the environment healthy and bacteria at bay

• Small amounts of natural microorganisms

The vagina actually has no glands. Most of the discharge comes from the cervix and from fluid passing through the mucous membrane. If you want to know what cervical mucus is, read the article here.

So it is a biological process – not “something the body secretes because something is wrong”.

👉 See our selection of low-absorbency panties that replace panty liners here.

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Why do we have discharge?

Discharge has three important functions for you: 

1. It keeps the vagina clean (self-cleaning function)

Discharge flushes these out of the body:

• Dead cells

• Bacteria

• Dirt

That's why you shouldn't wash yourself inside. The vagina is self-cleaning. Washing the inside can disrupt the pH balance and do more harm than good.

2. Discharge protects against infection

Vaginal discharge contains lactic acid bacteria (lactobacilli), which:

• Produces lactic acid

• Keeps the environment slightly acidic (low pH, approximately 3.8–4.5)

• Protects against harmful bacteria

This is why vaginal discharge often has a slightly sour smell. This is normal.

3. Discharge is important for your fertility

Discharge changes throughout the cycle – and that's no coincidence. It helps sperm move when you are fertile. And it blocks them when you're not around.

The body is quite strategically designed. Magical, isn't it?

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Discharge throughout the menstrual cycle

Getting to know your discharge can tell you where you are in your cycle. So here is a brief outline of what your discharge typically looks like during the different phases:

After menstruation

• Often dry or very little discharge 

Follicular phase

• Light, creamy or whitish

Up to ovulation

• Wetter, glat, spullable between your fingers, “egg white-like”

Clue: This is where your fertile window is ✨

After ovulation

• Thicker/tougher, mare creamy, minternal quantity

Up to menstruation

• May become more sticky, grainy, brownish

As you can read, your vaginal discharge is one of the most important biomarkers. 

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Why does discharge smell?

Discharge typically doesn't smell bad, but it can smell:

• Slightly sour

• Mild

• Not “perfumed” (of course)

The sour smell is caused by lactic acid bacteria. This is also the reason why discharge can leave light stains on underwear – the acid can affect and bleach the fabric.

It's not dirt. It's nothing to be ashamed of. It's pure chemistry.

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When is the smell of your discharge not normal?

Your discharge should not smell bad, just slightly acidic, so it may be a good idea to contact your doctor if the discharge:

• Smells strongly fishy

• Suddenly, the smell changes significantly

• Accompanied by itching, burning, or pain

It may be a sign of, for example:

• Bacterial vaginosis

• Sponge

• Chlamydia

• Other infections

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What does brown discharge mean?

First of all, it's nothing to be afraid of. Brown discharge is often just a sign of pregnancy.breastfed blood, sResidues from menstruation that have taken a long time to leave the body may be released. 

It is typically seen:

• Just before menstruation

• Right after menstruation

• For spotting

• In early pregnancy

• After sex, where you may have suffered a small tear.

Brownish discharge in itself is rarely dangerous. But if it is accompanied by pain or heavy bleeding, you should react.

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Discharge as a biomarker

It's gold in a way - a huge insight into your body's well-being. Changes in your discharge can reveal:

• Infection

• Hormonal changes

• Pregnancy

• Stress

• Use of contraception

• Perimenopause

So what should you keep an eye on to use it to guide you to your body's overall health: Keep an eye on:

• Color (green, gray, very yellow), kconsistency (lumpy like cottage cheese), lweek change, kto sting or burn, spain when urinating

Sudden changes are worth investigating. Read here how you can use your discharge to better guide you through your cycle.

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What if I have a lot of discharge?

We all experience periods of increased vaginal discharge, and as annoying as it can be, it is also natural and normal. That's why it can be so delicious with a pair of regular low-absorbency panties to support you through everyday life.

Some people experience periods of increased vaginal discharge:

• During ovulation

• During pregnancy

• During fertility treatment - especially vaginal suppositories with progesterone - can significantly increase the amount of discharge.
  
  

• During hormonal fluctuations

• During puberty

Again: This is normal. If you feel damp or uncomfortable, lightly absorbent panties can be nice – especially if you want to avoid panty liners every day, which may contain lead and other undesirable ingredients.

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Should I use intimate soap?

Your vagina is self-cleaning, soYou don't need to wash the inside. But if you want to wash your vulva, use lukewarm water and possibly a mild, unscented soap with adjusted pH

Avoid at all costs

• Perfume

• Harsh and persistent douching

• Spermicidal cream without need

The mucous membranes are delicate, so be careful.

 

FAQ – Discharge

What is normal vaginal discharge?

White, transparent or slightly yellowish discharge without a strong odor or itching.

Why do I have more discharge than others?

Discharge varies from person to person. The amount alone is not a problem.

Is it normal for discharge to stain underwear?

Yes. The slightly acidic pH can affect the substance.

What does yellow discharge mean?

Slightly yellowish may be normal. Strong yellow or green should be investigated. 

Is it normal to have vaginal discharge every day? 

Yes. It is a sign of a functioning mucous membrane.

Can stress affect vaginal discharge?

Yes. Hormones affect the production of fluids from the vagina. This is also what causes you to often experience increasing vaginal dryness during perimenopause and menopause. Read more about the most common symptoms of perimenopause in the article here.

Sources: Sundhed.dk