hrp0086p2-p522 | Fat Metabolism and Obesity P2 | ESPE2016

The Effect of Demographic and Lifestyle Factors on One-year BMI Increments in 776 Norwegian Children Aged 6–15 Years

Kristiansen Hege , Roelants Mathieu , Bjerknes Robert , Juliusson Petur

Background: There is limited information on the ability of demographic or lifestyle factors to predict short term changes in weight status during childhood.Objective and hypotheses: To study the effect of parental (educational level, BMI status and perception of child’s weight status) and childhood factors (eating habits, sedentary behaviour and physical activity), on 1-year BMI increments by the use of BMI, BMI SDS and BMI SDS conditional gain....

hrp0082p2-d2-464 | Growth (1) | ESPE2014

Interrelationships Between BMI and Other Overweight Related Anthropometric Variables in Childhood

Brannsether Bente , Eide Geir Egil , Roelants Mathieu , Bjerknes Robert , Juliusson Petur Benedikt

Background: Anthropometry is the general tool for defining overweight and obesity, with BMI cut-offs adjusted for sex and age, as the most commonly used variable in childhood.Objective and hypotheses: Based on the interrelationships between BMI and different overweight-related anthropometric variables we wanted to find out which anthropometric variables contribute most to the variation in BMI, and how age affect this picture?Method...

hrp0089p2-p304 | Pituitary, Neuroendocrinology and Puberty P2 | ESPE2018

Ultrasound-Based Measurements of Testicular Volume in 6–16 Year Old Boys: Intra- and Inter-Observer Agreement and Comparison with Prader Orchidometry

Oehme Ninnie , Roelants Mathieu , Bruserud Ingvild Saervold , Egil Eide Geir , Bjerknes Robert , Rosendahl Karen , Juliusson Petur B

Background: Prader orchidometry has been the standard method for evaluating testicular size. As this technique is subjective and tends to overestimate the testicular volume, ultrasound has been proposed as a more reliable method.Objective: To evaluate the intra- and inter-observer agreement of ultrasound measurements of testicular volume and comparison with Prader orchidometry.Materials and methods: Length, width and depth of the r...

hrp0089p1-p230 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology P1 | ESPE2018

Testicular Ultrasound Measurements to Stratify Pituitary-Gonadal Hormone References in a Cross-Sectional Norwegian Study of Male Puberty

Madsen Andre , Ninnie Oehme , Bruserud Ingvild , Roelants Mathieu , Egil Eide Geir , Sagen Jorn , Mellgren Gunnar , Juliusson Petur

Background: Recent research has demonstrated earlier testicular and pubertal development in Western boys. New ultrasound-based references of testicular growth in Norwegian boys are now available. Population specific references for FSH, LH and sex steroid hormones have not been previously available in Norwegian children and adolescents.Objective and hypotheses: We aimed to provide an elaborate description of pubertal development in a sample of contemporar...

hrp0092p1-110 | Pituitary, Neuroendocrinology and Puberty | ESPE2019

References for Testicular Volume Measured by Ultrasound and for Pubic Hair in 6-16 Year-Old Norwegian Boys

Oehme Ninnie B. , Roelants Mathieu , Bruserud Ingvild S. , Madsen André , Eide Geir Egil , Bjerknes Robert , Rosendahl Karen , Júlíusson Pétur B.

Objective: Recent studies have suggested earlier onset of pubertal development in boys. As assessment with orchidometer tends to overestimate true testicular volume (TV), and measurements based on ultrasound (US) have been proposed as a more reliable method, we present US based references in 6-16 year-old Norwegian boys. Our results are compared with data from Europe and the United States (U.S.) in order to establish evidence for an ongoing secular trend in ma...

hrp0092p1-258 | Pituitary, Neuroendocrinology and Puberty (1) | ESPE2019

Novel Pubertal References for Girls Using Ultrasound to Stage Breast Development. The Bergen Growth Study 2

Bruserud Ingvid S. , Roelants Mathieu , Oehme Ninnie HB , Madsen André , Eide Geir Egil , Rosendahl Karen , Júlíusson Pétur B.

Background: Using ultrasound to examine the glandular breast tissue is a promising method for staging pubertal breast development. However, breast ultrasound for this purpose has not been explored in a large sample of healthy girls in different developmental stages, and normative data have been unavailable.Objective: To present novel pubertal references for breast ultrasound stages, Tanner breast (B) and pubic hair (PH) ...

hrp0092p1-267 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology (1) | ESPE2019

Endocrine Profiling and Association with Ultrasound Measured Testicular Volume and Biometrics in a Cohort of Norwegian Boys

Madsen André , Oehme Ninnie , Bruserud Ingvild , Roelants Mathieu , Sagen Jørn , Mellgren Gunnar , Júlíusson Pétur

Introduction: Male puberty is initiated by endocrine signaling in the hypothalamic-pituitary axis whereby follicle-stimulating hormone (FSH) and luteinizing hormone (LH) enable testicular maturation and synthesis of testosterone. Recent publications have eluded to overnutrition and obesity as relevant factors that may accelerate the timing of puberty. Attainment of testicular volume (TV) 4 ml measured by Prader orchidometer remains the definition of male puber...

hrp0089p2-p312 | Pituitary, Neuroendocrinology and Puberty P2 | ESPE2018

Ultrasound Assessment of Pubertal Breast Development: Intra- and Inter-Observer Agreement

Bruserud Ingvild , Mathieu Roelants , Oehme Ninnie , Egil Eide Geir , Bjerknes Robert , Rosendahl Karen , Juiliusson Petur

Background: Clinical assessment of pubertal breast development using Tanner staging is subjective. This has led to the introduction of ultrasound, aiming for a more objective analysis. However, information regarding its reliability is lacking.Objective: To examine intra- and inter-observer agreement of breast maturity staging using ultrasound, and to examine the precision of direct measurements of the gland.Materials and methods: F...

hrp0082p1-d2-116 | Fat Metabolism & Obesity (1) | ESPE2014

Characterizing the Metabolically Obese Normal Weight Phenotype in Youth

Henderson Melanie , Mathieu Marie-Eve , Benedetti Andrea , Barnett Tracie

Background: Although metabolically obese normal weight (MONW) adults are at increased risk of type 2 diabetes and cardiovascular disease (CVD), little is known regarding MONW children.Objective and hypotheses: To characterize lifestyle habits and insulin dynamics of MONW children.Method: Caucasian youth (n=630) aged 8–10 years, with at least one obese biological parent, were studied (QUALITY cohort). We defined MONW c...

hrp0092p1-337 | Fat, Metabolism and Obesity (2) | ESPE2019

How does Clusters of Parental Characteristics Influences Offspring Adiposity: A Prospective Study

Ybarra Marina , Meng Lingrui , Zaihra Tasneem , Mathieu Marie-Ève , Barnett Tracie , Henderson Mélanie

Introduction: Childhood obesity rates have increased exponentially in the past three decades. Parental characteristics, such as weight status, physical activity (PA), education and smoking habits have been identified individually as being potential determinants of offspring obesity. However, no prospective studies have examined the joint impact of parental lifestyle habits on their offspring's adiposity. We identified clusters of parental characteristics, ...