BACKGROUND AND AIM: Previous studies on menarcheal age (MA) in type 1 diabetes mellitus (T1DM) have shown conflicting results about the effects of DM, but most lack a control group. The present study design is peculiar in that it covers a study population of 73 intensively treated menarcheal adolescents with premenarcheal onset of T1DM (Group A), whose MA was compared with that recorded in three control populations: the first one consisting of 280 healthy adolescents, the second one consisting of 20 T1DM adolescents with postmenarcheal DM onset (Group B) and the third one represented by the respective mothers. METHODS AND RESULTS: MA of Group A patients was significantly delayed when compared with the respective mothers, healthy controls and Group B patients. By contrast MA of Group B girls was superimposable to the one of both their respective mothers and healthy controls. In Group A MA was strongly related (p<0.0005) to HbA1c at the time of menarche and to average HbA1c concentrations during the last years before menarche. In Group A no relationship between patients' and mothers' MAs was found, whilst such a correlation was significant in Group B. CONCLUSIONS: (a) MA is significantly delayed in girls with premenarcheal presentation of T1DM, even if intensively treated; (b) menarcheal retardation is more severe in the patients with suboptimal metabolic control at the time of menarche; and (c) MA in premenarcheal presenting T1DM is irrespective of maternal MA, age and HbA1c concentrations at DM presentation, body mass index and daily insulin dose at menarche.

Menarcheal timing in intensively treated girls with type 1 diabetes mellitus

LOMBARDO, Fortunato;SALZANO, Giuseppina;VALENZISE, Mariella;MANZO, VALERIA;AVERSA, TOMMASO;DE LUCA, Filippo
2009-01-01

Abstract

BACKGROUND AND AIM: Previous studies on menarcheal age (MA) in type 1 diabetes mellitus (T1DM) have shown conflicting results about the effects of DM, but most lack a control group. The present study design is peculiar in that it covers a study population of 73 intensively treated menarcheal adolescents with premenarcheal onset of T1DM (Group A), whose MA was compared with that recorded in three control populations: the first one consisting of 280 healthy adolescents, the second one consisting of 20 T1DM adolescents with postmenarcheal DM onset (Group B) and the third one represented by the respective mothers. METHODS AND RESULTS: MA of Group A patients was significantly delayed when compared with the respective mothers, healthy controls and Group B patients. By contrast MA of Group B girls was superimposable to the one of both their respective mothers and healthy controls. In Group A MA was strongly related (p<0.0005) to HbA1c at the time of menarche and to average HbA1c concentrations during the last years before menarche. In Group A no relationship between patients' and mothers' MAs was found, whilst such a correlation was significant in Group B. CONCLUSIONS: (a) MA is significantly delayed in girls with premenarcheal presentation of T1DM, even if intensively treated; (b) menarcheal retardation is more severe in the patients with suboptimal metabolic control at the time of menarche; and (c) MA in premenarcheal presenting T1DM is irrespective of maternal MA, age and HbA1c concentrations at DM presentation, body mass index and daily insulin dose at menarche.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/1902409
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