In many cases, teenage girls can help to prevent primary amenorrhea. They should follow a sensible exercise program. And they should maintain a normal weight.
Primary amenorrhea caused by anatomic abnormalities cannot be prevented.
You can prevent some forms of secondary amenorrhea. Take the following steps:
Eat a balanced diet that meets your recommended daily nutritional needs.
Exercise moderately, but not excessively, to maintain an ideal body weight and muscle tone.
Find healthy outlets for emotional stress and daily conflicts.
Balance work, recreation and rest.
Avoid excessive alcohol consumption and cigarette smoking.