Difference between revisions of "Amenorrhea"

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Revision as of 13:44, 3 May 2004

Amenorrhea is the absence, discontinuation or abnormal stoppage of the menstrual periods in the reproductive female (1). Amenorrhea can be either primary or secondary.

Primary amenorrhea is defined as either:

  1. no period by age 14 in the absence of growth and development of secondary sexual characteristics; or
  2. no period by age 16 regardless of the presence of normal growth and development of secondary sexual characteristics.

Secondary amenorrhea is the lack of period for at least 3 months at any time after menarche. This can be the result of pregnancy, brain tumours, malnutrition or the like.