Amenorrhea
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- Amenorrhea Overview
- Amenorrhea Causes
- Amenorrhea Symptoms
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Amenorrhea Overview
Amenorrhea is the absence of menstrual bleeding and may be primary or secondary.
- Primary amenorrhea is the absence of menstrual bleeding and secondary sexual characteristics (for example, breast development and pubic hair) in a girl by age 14 years or the absence of menstrual bleeding with normal development of secondary sexual characteristics in a girl by age 16 years.
- Secondary amenorrhea is the absence of menstrual bleeding in a woman who had been menstruating but later stops menstruating for 3 or more months in the absence of pregnancy, lactation (the ability to breastfeed), cycle suppression with systemic hormonal contraceptive (birth control) pills, or menopause.
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Amenorrhea
Anorexia Nervosa Overview
Anorexia nervosa is a mental illness. You have a preoccupation with food and body image to the extreme: You don’t eat. Despite being underweight, you continue to try to lose weight. The syndrome is more common in women than in men, and most often begins between the ages of 13-30 years. The medical complications brought about by this psychiatric disorder can be severe. You may die.
Anorexia Nervosa Causes
A variety of psychological, genetic, biological, developmental, and societal factors may contribute to developing this syndrome. Anorexia nervosa may be encouraged because of our society's emphasis on thinness, especially in women.
- You may have some genetic risk toward developing it.
- Some evidence suggests differences in brain chemicals in those who develop anorexia.
Anorexia Nervosa Symptoms
- With anorexia nervosa, you have an in...
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Amenorrhea, Primary »
Primary amenorrhea is the failure of menses to occur by age 16 years, in the presence of normal growth and secondary sexual characteristics.

