Recent Blog Articles
The popularity of microdosing of psychedelics: What does the science say?
Pouring from an empty cup? Three ways to refill emotionally
Is pregnancy safe for everyone?
New pediatric guidelines on obesity in children and teens
Screening tests may save lives — so when is it time to stop?
Natural disasters strike everywhere: Ways to help protect your health
The case of the bad placebo
Do we feel pain more at night?
If you use cannabis, do it safely
Time for a diabetes tune-up
Never Started Menstrual Periods
Welcome to our Decision Guide.
The purpose of this guide is to provide understanding and advice to women who are concerned because they have never started menstruating. The absence of menstrual periods is called amenorrhea. If a woman has never had any menstrual blood flow by the age of 16, doctors call this primary amenorrhea.
Through a series of questions, you will learn about the more common possibilities to explain your personal situation. The guide should be used as a complement to the care you receive from a health professional. It is not intended to replace direct interaction with your doctor.
A women's first menstrual period, called menarche, happens around 12 years of age. However, it can start as early as age ten or as late as age 16 years.
Are you older than 16?
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!
