Nomenclature of primary amenorrhea: A proposal document of the Japan Society of Obstetrics and Gynecology committee for the redefinition of primary amenorrhea.
Makio ShozuHiroshi IshikawaReiko HorikawaHideya SakakibaraShun-Ichiro IzumiTakashi OhbaYasushi HirotaTsutomu OgataYutaka OsugaKoji KuguPublished in: The journal of obstetrics and gynaecology research (2017)
The new terms 'delayed menarche' and 'late menarche' were introduced, and the term 'delayed menstruation' was deleted. The new system might help in the early detection and appropriate treatment of primary amenorrhea.
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