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knowledge is key

Knowledge about menstruation, the cycle and the female body – in all phases of life

Willkommen bei Flow Journal.

Hier haben wir unser Wissen über Menstruation, Hormone, Wohlbefinden und den weiblichen Körper zusammengetragen – von der ersten Periode bis zu den Wechseljahren, von der Heilung nach der Geburt bis zum täglichen Schutz.

Wir schreiben Ihnen, wenn Sie Ihren Körper besser verstehen möchten.
Für alle, die gerade etwas Neues beginnen.
Und für diejenigen unter Ihnen, die sich einfach nur sicher fühlen wollen, was jeden Monat passiert.

Flow Journal ist unser gemeinsames Universum an Artikeln, Leitfäden und Perspektiven – in verständlicher Sprache verfasst und, wo relevant, von Experten im Gesundheitswesen geprüft.

From menarche to menopause and beyond - we're right there with you

Menstruation & Cycle

Your cycle is not just a period. It's all the days of the month - hormones, energy, mood and changing rhythm.

Kan man have menstruation uden ægløsning? Flow Intimates
Cyklus & hormoner

Can you have menstruation without ovulation?

Yes – it's called an anovulatory cycle. Learn why you might bleed without ovulation and what it means for your cycle.

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Hormonel ubalance: Symptomer, årsager og hvad du kan gøre Flow Intimates
Hormoner

Hormonal Imbalance: Symptoms, Causes, and What You Can Do

What is hormonal imbalance? Learn the typical symptoms such as irregular periods, PMS and fertility problems – and when you should see a doctor.

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PMDD: Hvad er symptomerne og behandlingen? Flow Intimates
ADHD

PMDD: What are the symptoms and treatment?

PMDD is a severe form of premenstrual syndrome. Read about symptoms, diagnosis, treatment, and the connection between PMDD and ADHD.

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PMS: Hvad er det – og hvorfor føles det så voldsomt? Flow Intimates
Hormoner

PMS: What is it – and why does it feel so intense?

PMS (premenstrual syndrome) affects up to 80% of menstruating women. Learn about the symptoms, causes, treatment and the difference between PMS and PMDD.

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Perspective & society

When menstruation meets society. Here we focus on taboos, rules, inequality and the conversations that extend beyond the private space. Because bleeding is also politics.

8 kvinder der har ændret forskningen i kvinders sundhed Flow Intimates
Bind og tamponer

8 women who have changed research in women's health

Women's health has long been under-prioritized in research. Meet 8 pioneers who, despite resistance, have changed our knowledge of fertility, menstruation, and the female body.

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The Health Gap: Hvorfor ved vi stadig mindre om kvinders sundhed? Flow Intimates
Cyklus & hormoner

The Health Gap: Why do we still know less about women's health?

For decades, medicine was tested on men. The result is called “the health gap” – a systematic gap in our knowledge of women’s health. Here’s the history, the consequences, and why it still affects...

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Hvad er sexet undertøj? Kvinder, selvtillid og komfort frem for blonder Flow Intimates
Perspektiv & samfund

What is sexy lingerie? Women, confidence and comfort over lace

What is sexy lingerie really like? We explore how comfort, confidence and security often mean more than lace – in women's own words.

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Klumme: Om lyst og onani – fortalt af en millennial girl Flow Intimates
Perspektiv & samfund

Column: About desire and masturbation – told by a millennial girl

Read this honest, body-positive column about the path back to pleasure – from shame to self-acceptance.

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Wellness & care

Sleep, exercise and self-care throughout your cycle. Your body changes throughout the month. So does your energy level.

Kan man vinterbade under menstruation? Guide til cold plunge og cyklus Flow Intimates
Forskning

Can you take a winter bath during menstruation? Guide to cold plunge and your cycle

Is it okay to take a cold plunge during your period? Get answers, research, and practical tips for cold plunges throughout your cycle.

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Sauna og menstruation - forskning, fordele og gode tips Flow Intimates
Menstruationssmerter

Sauna and menstruation - research, benefits and good tips

Can you go to the sauna during your period? Read about bleeding, pain, safety and which menstrual products work best in the heat.

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Hvordan er man som mand en god sexpartner? En kærlig guide til bedre sex Flow Intimates
Velvære & omsorg

How to be a good sex partner as a man? A loving guide to better sex

How can a man be a good sex partner? A loving guide to better sex.

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10 sunde grunde til at onanere – for kvinder Flow Intimates
Velvære & omsorg

10 healthy reasons to masturbate – for women

Masturbation for women is healthy. Read about hormones, desire, menstrual cramps and self-care – and why masturbation strengthens both the body and well-being.

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Products & product guides

Practical knowledge about menstrual panties, safety and alternatives. There are many menstrual products available. Not all of them are equally well thought out.

Menstruationsbadetøj til teens: Derfor er det det bedste valg i vandet Flow Intimates
Børn

Teen period swimwear: Why it's the best choice for water activities

Menstruation prevents many children and teens from getting in the water. Learn why period swimwear is a particularly ideal option for children and a safe solution – so they don't have to be exclude...

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Guide: Hvilke menstruationstrusser skal jeg vælge? Flow Intimates
Menstruationstrusser

Guide: Which menstrual panties should I choose?

Are you unsure which menstrual panties to choose? We guide you through the fits, materials and absorbency in the Flow range.

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Hvilke menstruationsprodukter er bedst til svømning? Flow Intimates
Menstruation

Which period products are best for swimming?

The scenario: For months you've been looking forward to your vacation - imagining how you'll jump and splash in the water, have salt water in your hair, read a book by the pool. But then you see i...

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Vidste du, at menstruationstrusser kan reducere affald med over 90 %? Flow Intimates
Bæredygtighed

Did you know that menstrual panties can reduce waste by over 90%?

How sustainable are menstrual panties? See the calculation from the Danish Consumer Council Think and how much waste menstrual products create over a lifetime.

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Lebensphasen – von der Menarche bis zur Menopause

Hier finden Sie unsere Themen, die zu Ihrer aktuellen Lebensphase passen.

First menstruation - menarche

Ratgeber für Teenager und Eltern zum Thema „Das allererste Mal“. Die erste Menstruation ist nicht nur ein biologisches Ereignis. Sie steht auch für Identität, Verletzlichkeit und neue Fragen.

Bedste menstruationsprodukter til teens – guide til første menstruation Flow Intimates
Børn

Best Period Products for Teens – Guide to Your First Period

Which period products are best for kids and teens? Get a safe and honest guide to the first period – from pads and tampons to period underwear.

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6 tegn på første menstruation: Sådan ved du, at den er på vej Flow Intimates
Første menstruation - menarken

6 signs of your first period: How to tell it’s on its way

How do you know your first period is coming? Read about the most important signs, what happens in your body, and how to prepare yourself with confidence.

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Den første menstruation (menarken): En kærlig guide til hvad du kan sige og give videre til dit barn Flow Intimates
Første menstruation - menarken

The first period (menarche): A loving guide to what to say and pass on to your child

A loving guide for parents about the first period. About menarche, kind words to pass on, security and how to best support your child.

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Den første menstruation – hvad sker der, og hvad skal du vide? Flow Intimates
Første menstruation - menarken

The first period – what happens and what do you need to know?

The first period can raise many questions. Get answers to what's happening in the body, signs of menstruation and good advice for the first time.

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Postpartum - the period after birth

Healing, hormones and the body after birth. After giving birth, the body is not “back.” It has moved on to a new phase.

Sex efter fødsel: Hvornår må man have sex igen – og hvorfor føles det anderledes? Flow Intimates
Graviditet og post partum

Sex after giving birth: When can you have sex again – and why does it feel different?

When is it okay to have sex after giving birth? Read about pain, dryness, lack of desire and risk of pregnancy – and what is completely normal.

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Første menstruation efter fødsel – hvorfor er den anderledes? Flow Intimates
Graviditet og post partum

First period after giving birth – why is it different?

When do you get your period after giving birth? And why can it be heavier, irregular or more painful? Get answers and knowledge here.

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Efterfødselsblødning: Hvad er “normalt” - og hvornår skal jeg reagere? Flow Intimates
Graviditet og post partum

Postpartum hemorrhage: What is “normal” - and when should I react?

Read more about what is normal about postpartum bleeding (lochia), how long it can last, colors and smells you should know – and when to seek help.

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Postpartum Portrait: Fra berøringsangst til hjemmefødsel: Michelles ærlige fortælling om det fjerde trimester Flow Intimates
Postpartum - efterfødselstiden

Postpartum Portrait: From touch anxiety to home birth: Michelle's honest story about the fourth trimester

Michelle shares honestly about two very different births, about balancing two children's nervous systems at the same time with her own - and about daring to listen to her gut feeling.

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Menopause - hormonal changes

Perimenopause, menopause. Our bodies are always changing - hormones, genes, emotions, moods.

Sådan genkender du perimenopausen: Her er de mest almindelige symptomer Flow Intimates
Overgangsalder - hormonelle skift

Perimenopause Signs and Symptoms: What to Look For

You’ve probably heard about menopause, or the transition leading up to it, which thankfully is getting more and more attention in conversations and in the media. But have you come across the word p...

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Hvornår stopper ens menstruation? Flow Intimates
Overgangsalder - hormonelle skift

When does your period stop?

Menstruation. It has a first day and a last day, and we have no idea when either of those are. But it's clearly one of the most enduring 'habits' our bodies have. If you're on average 12 years old...

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Menstruation op mod overgangsalderen: Hvad kan du forvente? Flow Intimates

Menstruation Towards Menopause: What to Expect?

  You sweat, have joint pain, pelvic pain, bleeding disorders, reduced sex drive, sore breasts, dry mucous membranes or perhaps you experience vision disturbances. There are over 34 different symp...

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Flow news & updates

Here you will find the latest updates from Flow – from new products and collaborations to little glimpses of life behind the scenes.

Praktik: Vil du være med til at sætte kvindekroppen på dagsordenen? Flow Intimates
Praktik

Internship: Do you want to help put the female body on the agenda?

Are you doing an internship in autumn 2026?

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Unser Zugang zum Wissen

At Flow, we believe that knowledge creates security, independence and a better quality of life.

In our articles we combine:

  • Research
  • Healthcare professional sparring
  • Experiences from real bodies
  • And a tone that is loving rather than clinical

Selected articles have been verified by healthcare experts.

We don't want to scare, but to enlighten. We want to create normality and breadth in the stories about what a life with a cycle is like.