Influence of high-intensity training and of dietetic and anthropometric factors on menstrual cycle disorders in ballet dancers

Gynecological Endocrinology : the Official Journal of the International Society of Gynecological Endocrinology
Camil Castelo-BrancoJuan Antonio Vanrell

Abstract

Background. Intensity of exercise and low energy consumption, specific type and amount of training, early age at initiation, previous menstrual dysfunctions, low body mass index (BMI) or percentage body fat, pathological feeding habits and psychological stress have been suggested as potential factors accountable for menstrual irregularities in female athletes.Aim. To evaluate the influence of intensive training and of dietetic and anthropometric factors on menstrual cycles in female ballet dancers.Method. A case-control study, in which a structured interview and physical examination were carried out in two groups of teenagers aged between 12 and 18 years. The study included a total of 115 adolescent girls distributed in two groups: dancers (group B, n = 38) and girls of the same age not engaged in any sports activity (group C, n = 77).Results. Early starting high-intensity training delayed the onset of menarche ( p < 0.001). Dancers had a higher prevalence of oligomenorrhea and amenorrhea than control girls ( p = 0.004). Additionally, the dancers had lower scores in anthropometric variables: breast circumference 80 cm vs. 86.6 cm for controls ( p = 0.0001), low weight in 18% of dancers vs. 2.6% of controls ( p = 0.0001), and lo...Continue Reading

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Citations

Jul 22, 2011·Journal of Sports Sciences·Laura HerbrichNora Schneider
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