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Influence of high-intensity training and of dietetic and anthropometric factors on menstrual cycle disorders in ballet dancers.
Gynecol Endocrinol. 2006 Jan; 22(1):31-5.GE

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 low height in 18% of dancers vs. 9% of controls (p = 0.016). In addition, in dancers, low BMI was observed in 21% compared with 13% of controls (p = 0.0001). Finally, 32% of the dancers were on a weight-control diet while this percentage decreased to 12% for the girls in control group (odds ratio = 3.49, 95% confidence interval = 1.31-9.25).

Conclusions.

In ballet dancers, high-intensity training was associated with late onset of menarche, menstrual disorders, lower weight and height development, and abnormal feeding behaviors.

Authors+Show Affiliations

Hospital Clínic, Facultad de Medicina, Universidad de Barcelona, Barcelona, Spain. castelo@medicina.ub.esNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

16522531

Citation

Castelo-Branco, Camil, et al. "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, vol. 22, no. 1, 2006, pp. 31-5.
Castelo-Branco C, Reina F, Montivero AD, et al. Influence of high-intensity training and of dietetic and anthropometric factors on menstrual cycle disorders in ballet dancers. Gynecol Endocrinol. 2006;22(1):31-5.
Castelo-Branco, C., Reina, F., Montivero, A. D., Colodrón, M., & Vanrell, J. A. (2006). 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, 22(1), 31-5.
Castelo-Branco C, et al. Influence of High-intensity Training and of Dietetic and Anthropometric Factors On Menstrual Cycle Disorders in Ballet Dancers. Gynecol Endocrinol. 2006;22(1):31-5. PubMed PMID: 16522531.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Influence of high-intensity training and of dietetic and anthropometric factors on menstrual cycle disorders in ballet dancers. AU - Castelo-Branco,Camil, AU - Reina,Fabiana, AU - Montivero,Adriana Diaz, AU - Colodrón,Marta, AU - Vanrell,Juan Antonio, PY - 2006/3/9/pubmed PY - 2006/8/17/medline PY - 2006/3/9/entrez SP - 31 EP - 5 JF - Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology JO - Gynecol Endocrinol VL - 22 IS - 1 N2 - 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 low height in 18% of dancers vs. 9% of controls (p = 0.016). In addition, in dancers, low BMI was observed in 21% compared with 13% of controls (p = 0.0001). Finally, 32% of the dancers were on a weight-control diet while this percentage decreased to 12% for the girls in control group (odds ratio = 3.49, 95% confidence interval = 1.31-9.25).Conclusions. In ballet dancers, high-intensity training was associated with late onset of menarche, menstrual disorders, lower weight and height development, and abnormal feeding behaviors. SN - 0951-3590 UR - https://www.unboundmedicine.com/medline/citation/16522531/Influence_of_high_intensity_training_and_of_dietetic_and_anthropometric_factors_on_menstrual_cycle_disorders_in_ballet_dancers_ L2 - https://www.tandfonline.com/doi/full/10.1080/09513590500453825 DB - PRIME DP - Unbound Medicine ER -