Redefining menstrual and reproductive health, one period at a time.
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Getting an app like Clue up and running is no small feat. Clue's CEO Ida Tin explains what's going on...
Redefining menstrual and reproductive health, one period at a time.
Subscribe to our newsletter to get science-backed articles, app tips, and the latest updates from Clue.
The consequences have been dangerous.
You may have noticed changes to your skin—particularly the skin of your face—starting around puberty. Your skin responds to many...
How the past affects present day obstetrics
Science is evolving each day on how coronavirus affects pregnancy, lactation, and postpartum. Here’s the latest research on how pregnant...
History, anatomy and recommendations for a safe and pleasant practice
When you subscribe to Clue Plus, you don't only get new features: you also fund important research, support data privacy,...
Everything you need to know about your body and how it works, from A to Z.
Go to topic pageSome variability in your cycle length is normal.
Understanding the cycle is important for your overall health. We break down the phases and hormones of the menstrual cycle.
If you’ve ever started or stopped taking hormonal birth control, your body may have experienced side effects. Tracking changes in...
IUDs can have different effects on your period quality and quantity.
When it works out just fine, we don't often hear about it.
Many people believe that hormonal birth control causes weight gain, but the research is not so clear cut. Here's how...
What the latest research says about how the hormonal IUD and the copper IUD work.
We reached out seeking your experiences with the emergency contraceptive pill. Here’s what came in.
Researchers measure how well a birth control method works in two ways: perfect-use and typical-use.
Is it painful to have an IUD inserted? Can an IUD get lost inside of me? Your questions about...
There are lots of myths and misconceptions about how pregnancy happens.
It is helpful to know about ovulation even if you aren't trying to get pregnant.
Your reproductive hormones have a measurable impact on your temperature.
The monthly release of an egg from the ovary is a fascinating process.
During the follicular phase of the menstrual cycle, people tend to have higher levels of antibodies.
You may have heard about TSS, and know that it has something to do with tampons. Fortunately, it’s rare.
Women and people with cycles can face barriers to adequate healthcare, and having a disability can add another layer of...
Sex is an important part of the human experience. It can still be taboo to talk about, but here you'll...
Go to topic pageIf we're lucky to even get sex education, there’s just still so much we aren’t taught about our own bodies.
Sex education can help us make decisions, but only when taught in a way that is relevant to our individual...
How many eggs do I have? How many sperm are in an ejaculate? And more answers to your questions
Sharing LGBTQIA experiences with menstrual, reproductive, and sexual health through research-based advice, first-person perspectives, and more.
Go to topic pageLesbian, queer and trans couples respond to our research on menstrual syncing
Track your period and understand your body better. Get the app:
Clue is a menstrual tracking app, an encyclopedia, a resource for your health, and more. Here are all the posts...
Go to topic pageDiversity, equity and inclusion are not end states. Like all real values, they are living concepts to which we must...
When you subscribe to Clue Plus, you don't only get new features: you also fund important research, support data privacy,...
It’s a tricky topic.
While you can use Clue and other apps to help you understand your body and become pregnant faster, you can’t...
Information about content produced by Clue and sponsored by Bayer.
We don't make money from selling your personal health data—we choose the alternative. You can help support us by subscribing...
Clue's new Chief Medical Officer will help Clue evolve into the go-to source for women and people with cycles at...
Getting an app like Clue up and running is no small feat. Clue's CEO Ida Tin explains what's going on...
It's our job to keep everything you track in Clue safe.
We never have and we never will.
How Clue and other companies use your data to find new users.
People deserve a different kind of online resource: a place where menstrual and reproductive health is taken seriously and with...
Clue already predicts your period, ovulation, and PMS, but what if you could see into the future for everything...
At Clue, we prize openness and transparency—that’s why we’re publishing information about how and why we publish content.
Everything you need to know if you’re visiting us in Berlin.
Clue is the only period tracker and menstrual calendar app signatory of the Alliance for Sexual and Reproductive Health and...