secondary amenorrhea

amenorrhea /amen·or·rhea/ (ah-men″o-re´ah) absence or abnormal stoppage of the menses.amenorrhe´al

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primary amenorrhea  failure of menstruation to occur at puberty.

secondary amenorrhea  cessation of menstruation after it has once been established at puberty.

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secondary amenorrhea

n.

Amenorrhea in which menstruation begins at puberty but then is subsequently suppressed.

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secondary amenorrhea.

See amenorrhea.

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secondary amenorrhea

Gynecology A condition in which menstruation begins at the appropriate age but stops for 6+ months without usual causes–eg, pregnancy, lactation or menopause Etiology Excessive exercise, body fat content < 15%, extreme obesity, emotional stress, busulfan, chlorambucil, cyclophosphamide, phenothiazines, oral and other contraceptives–eg, Norplant, Depo-Provera, D&C. See Amenorrhea.