Symptoms related to menstruation in adolescent Swiss XXXX : a longitudinal study.

@entity1 @entity10 @entity490
Symptoms related to menstruation are reported in 140 Swiss @entity1 according to postmenarcheal and chronological age. @entity490 were present in 9-28% of the @entity1 , depending on postmenarcheal age (i.e. years after menarche) (2-30% depending on chronological age). Dysmenorrhoea occurred in 44-64% of the @entity1 according to postmenarcheal age (51-67% according to chronological age). Occasional severe dysmenorrhoea was the type most often reported, by 20-35% of the @entity1 . Large intra-individual and inter-individual variabilities in the occurrence and severity of dysmenorrhoea were observed. The frequency of dysmenorrhoea increased in the first three postmenarcheal years and decreased thereafter. The prevalence of @entity10 was low, 0-5%. The frequency of @entity10 during menstruation was 2-11% according to postmenarcheal age (2-19% by chronological age) which was low in comparison with other studies. Severe @entity10 was more often reported than mild @entity10 . Frequency of severe @entity10 decreased in higher age groups. Other reported symptoms related to menstruation were general discomfort in 1-10% of the @entity1 and premenstrual vaginal discharge in 10-22% according to postmenarcheal age (3-17% according to chronological age). Severe vaginal discharge was more frequent than mild discharge, 8-20% versus 0-3%. The frequency of vaginal discharge increased from the first to the fourth year after menarche.
