Primary amenorrhoea is defined when the time of onset of menstruation is more than 2 years after the average onset of menstruation, i.e. about 12-14 years.
Ad:
Ad:
Secondary absence of menstruation
19-03-2014,Anna Piotrowska Source: J. Kozłowska: Rehabilitacja w ginekologii i położnictwie, AWF 2006, Kraków, pp. 53-54.
You can read this text in 1 min.
PantherMedia
Flat belly
