
knowledge is key
Knowledge about menstruation, the cycle and the female body – in all phases of life
Welcome to Flow Journal.
Here we have gathered our knowledge about menstruation, hormones, well-being and the female body – from the first period to menopause, from postpartum healing to everyday protection.
We are writing to you who want to understand your body better.
For those of you who are in the middle of something new.
And for those of you who just want to feel secure in what happens every month.
Flow Journal is our collective universe of articles, guides and perspectives – written at eye level and verified, where relevant, by healthcare experts.
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.

Alkohol og menstruation: Påvirker et glas vin din cyklus?
Påvirker alkohol din menstruation, PMS eller fertilitet? Læs, hvad forskningen siger om alkohol, hormoner og menstruationscyklussen.
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Jernmangel og menstruation: Kan det være derfor, jeg er så træt?
Føler du dig usædvanligt træt under eller efter menstruation? Læs om symptomer på jernmangel, blodprøver og hvornår det er værd at søge læge.
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Koffein og menstruation: Påvirker kaffe PMS og menstruationssmerter?
Kan kaffe gøre PMS eller menstruationssmerter værre? Vi gennemgår, hvad forskningen ved – og hvad den endnu ikke kan svare på.
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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.
Read morePerspective & 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 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: 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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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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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.
Read moreWellness & care
Sleep, exercise and self-care throughout your cycle. Your body changes throughout the month. So does your energy level.

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 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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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 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.
Read moreProducts & 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.

Hvad er menstruationstrusser? Sådan virker de, og sådan vælger du
Overvejer du menstruationstrusser? Her forklarer vi, hvordan de virker, hvem de passer til, og hvordan du vælger den rigtige model.
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Menstruation på festival: Din guide til en tryg festivaloplevelse
Festival og menstruation behøver ikke være en dårlig kombination. Her finder du vores bedste råd til produkter, hygiejne, pakkeliste og tryghed på lange festivaldage.
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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: 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.
Read moreLife stages - from menarche to menopause
Here you will find our themes that match the phase of life you are in.
First menstruation - menarche
Guides for teens and parents about the very first period. The first period is not just biology. It's also identity, vulnerability and new questions.

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 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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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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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.
Read morePostpartum - 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 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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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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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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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.
Read moreMenopause - hormonal changes
Perimenopause, menopause. Our bodies are always changing - hormones, genes, emotions, moods.

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

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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Our approach to knowledge
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.
The best of Flow
flow Journal - articles about period and cycle
IN flow Journal you will find articles about period, cycle and women's health, and knowledge is a cornerstone for us.
With flow We believe that knowledge creates security. That's why we have compiled our articles about period, cycle, puberty, fertility, postpartum and women's health in flow Journal. Here you will find research-based guides, practical advice and answers to the questions many women ask throughout their lives.
Our articles bring scientific research, well-documented sources and several articles are verified by professionals.
We write about everything from the first period and hormonal changes to period underwear, period swimwear and intimate care. The goal is to make complex knowledge easier to understand and help you make choices that suit your body and everyday life.
Get an overview of the topics here:
Below you will find guides to special periods in a woman's life:
flow The journal is continuously updated with new articles, so you can always find the latest knowledge and inspiration about women's health.

















