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The Mexican Society of Pediatric Endocrinology developed a clinical practice guide for the diagnosis and treatment of precocious puberty. This document presents recommendations related to the diagnosis of secondary causes of central PP. The detailed description of the methodology for the development of this guide and the grading system, as well as the synthesis of the evidence on which it is based can be consulted in this same supplement., (Copyright: © 2020 Permanyer.)

Three systematic reviews were conducted to formulate the recommendations on diagnosis, treatment and follow-up of patients with precocious puberty: interventions for the treatment of precocious puberty that included the outcomes of final or near-final height, mental health, metabolic health, health bone, or blockade success; comparative observational studies evaluating long-term outcomes in subjects with a history of precocious puberty; and diagnostic test accuracy studies for puberty., (Copyright: © 2020 Permanyer.)

The Mexican Society of Pediatric Endocrinology developed a clinical practice guide for the diagnosis and treatment of precocious puberty. This document presents recommendations related to the complementary interventions for the treatment of precocious puberty besides puberty blockade. The detailed description of the methodology for the development of this guide and the grading system, as well as the synthesis of the evidence on which it is based, can be consulted in this same supplement., (Copyright: © 2020 Permanyer.)

The Mexican Society of Pediatric Endocrinology developed a clinical practice guide for the diagnosis and treatment of precocious puberty. This document presents recommendations related to the interventions for the inhibition of central precocious puberty. The detailed description of the methodology for the development of this guide and the grading system, as well as the synthesis of the evidence on which it is based can be consulted in this same supplement., (Copyright: © 2020 Permanyer.)

The Mexican Society of Pediatric Endocrinology developed a clinical practice guide for the diagnosis and treatment of precocious puberty. This document presents recommendations related to the diagnosis of precocious puberty. The detailed description of the methodology for the development of this guide and the grading system, as well as the synthesis of the evidence on which it is based can be accessed in this same supplement., (Copyright: © 2020 Permanyer.)

Background: The Mexican Society of Pediatric Endocrinology presents recommendations for the diagnosis and treatment of precocious puberty (PP), a condition defined as the development of sexual characteristics due to an increase in pituitary gonadotropin secretion before 8 or 9 years of age in girls and boys, respectively., Methods: Three systematic reviews were conducted: controlled clinical trials on interventions for PP treatment, diagnostic tests, and observational studies on the long-term effects of PP. The quality evaluation and data extraction from the studies were conducted by two independent reviewers. The Scottish Intercollegiate Guidelines Network and the Oxford Center for Evidence-Based Medicine systems were used for grading the quality of evidence for recommendations on intervention and diagnosis, respectively. Recommendations were submitted to a consensus by a Delphi method and were validated by another 143 certified pediatric endocrinologists through an online questionnaire., Results: The group generated 12 recommendations on the diagnosis of PP, seven on the diagnosis of secondary causes of PP, eight on interventions for inhibition of puberty, five on other interventions for PP treatment, and 14 for the monitoring and follow-up of these patients. The online questionnaires submitted to certified pediatric endocrinologists showed more than 90% of approval for each one of the recommendations., Conclusions: Although a high degree of consensus for the recommendations for diagnosis, treatment, and monitoring of PP among pediatric endocrinologists was achieved, most of these recommendations showed a low level of evidence., (Copyright: © 2020 Permanyer.)

The Mexican Society of Pediatric Endocrinology developed a clinical practice guide for the diagnosis and treatment of precocious puberty. This document presents recommendations related to the monitorization of the treatment and follow-up of patients with central precocious puberty. The detailed description of the methodology for the development of this guide and the grading system, as well as the synthesis of the evidence on which it is based, can be consulted in this same supplement., (Copyright: © 2020 Permanyer.)

Obesity is considered the main risk factor associated with the development of insulin resistance (IR). The aim of this study was to evaluate the influence of obesity on puberty onset and IR in Mexican children. A total of 378 children (189 boys and 189 girls) aged 8-14 years participated in the study. IR was estimated using the homeostasis model assessment for IR (HOMA-IR). The mean fasting glucose (FG) and basal insulin levels were 82 mg/dl and 11.0 μ IU/ml in boys and 77.3 mg/dl and 12.3 μ IU/ml in girls ( P < 0.05). Subjects with obesity at Tanner stages II-V showed increased FG levels ( P < 0.05). In boys with obesity, there was a decrease in HOMA-IR in Tanner stage IV and differences in age between boys with normal weight and those with obesity in Tanner V, being older the boys with obesity. Obesity in children and adolescents was associated with higher HOMA-IR values. In boys with obesity, IR increased at the end of pubertal maturation, with a delay in puberty. These findings should be considered on the establishment of IR cutoff values for pubertal population in Mexico and in the establishment of strategies to prevent the health problems related to obesity.