Shopping Cart

Description	Qty	Price
The Harvard Medical School 6-Week Plan for Healthy Eating (Print - Free U.S. Shipping!)		$20.00
Improving Memory: Understanding Age-Related Memory Loss (PDF - Lowest Price!)		$18.00
Harvard Health Letter (Print & Online Access (PDF)!)		$16.00
Subtotal		$54.00

Update Cart

Checkout

Please note: If you have a promotional code you'll be prompted to enter it prior to confirming your order.

Customer Sign In

Returning Customer

If you have an account, please sign in.

New Customers

If you subscribe to any of our print newsletters and have never activated your online account, please activate your account below for online access. By activating your account, you will create a login and password. You only need to activate your account once.

Activate My Account

Amenorrhea

What Is It?

Published: October, 2016

Amenorrhea is when a woman of childbearing age fails to menstruate. A woman normally menstruates every 23 to 35 days.

The part of the brain called the hypothalamus regulates the menstrual cycle. The hypothalamus stimulates the pituitary gland. The pituitary gland lies just below the hypothalamus at the base of the brain.

To continue reading this article, you must login.

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

Learn more about the many benefits and features of joining Harvard Health Online »

Related Articles
Related Topics

4 ways to eat your way to lower cholesterol

5 ways to use less salt

7 ways to reduce stress and keep blood pressure down

Protecting against cognitive decline

Trying to be perfect can cause anxiety

Six steps to cognitive health

The dangers of sitting

4 ways to keep moving with joint pain

Finding a fibromyalgia doctor

The dangers of sitting

4 ways to get better sleep

Better sleep, naturally

Can diet help fight prostate cancer?

Most melanomas start as new spots

Factors that increase your risk for a secondary cancer

Hypothyroidism symptoms and signs in an older person

The bladder workout: Tame incontinence without surgery

Warning signs of a serious eye problem

In search of better ways to find and treat prostate cancer

4 tips for coping with an enlarged prostate

5 things that can scuttle good sex

Hypothyroidism symptoms and signs in an older person

What's your t-score? Bone density scans for osteoporosis

5 ways to boost bone strength early

Amenorrhea

What Is It?

Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.

Related Articles

Related Topics