Resources: products i herbs i diseases

Amenorrhea

definition

Other Name are no periods, absent periods, primary amenorrhea, absent menses.  Absence or abnormal stoppage of menses.

causes/incidences/risk factors

The median age for menarche is approximately 12.3 years of age. However the range varies widely. The incidence of primary amenorrhea in the U. S is only 2.5 % .Primary amenorrhea is not considered to have occurred until a girl beyond age 16 years.