Bleeding
What’s “normal”?: period length
A typical period length for someone who’s not using hormonal birth control or an IUD is 8 days or less
Science Writers at Clue
Science Team
This article was a collaborative effort by members of Clue’s science and content teams and was produced using leading sources in American contemporary midwifery practice.
Life & Culture
Your cervical screening questions answered
Cervical screenings, like Pap smears and HPV tests, catch issues early, prevent cervical cancer, and save lives.
Life & Culture
Our Year in Periods 2024
Discover what took the top spots for our most-tracked period experiences of 2024.
About Clue
Gut feelings: The link between digestive symptoms, mood and PMS
Researchers from Johns Hopkins University conducted the biggest study of its kind using Clue data.
Products
Do we need to panic about metals in tampons?
Many articles and social posts about this research are more focused on clickbait than helpful insight.
Puberty
“I already felt ashamed of it before my period had started”
According to a recent Clue survey, 43% said they did not feel prepared or informed before their first period.
Endometriosis
Delay and dismissal: The path to an endometriosis diagnosis
“It took me years to actually think it was a problem – I kept telling myself that it couldn’t be...
Menopause and Perimenopause
Clue declares September ‘Perimenopause Awareness Month’
A Clue survey found 70% of women and people with cycles don’t know what perimenopause is. Let’s change that.
Fertility
Basal Body Temperature (BBT): how is it used to estimate ovulation?
Your reproductive hormones have a measurable impact on your temperature.
Diet & Exercise
Go with the flow: yoga for PMS relief
Yoga may help to ease your cramps in a few different ways.
Periods
The myth of moon phases and menstruation
Periods do not sync with the moon: Here’s the science