Urinary glycosaminoglycan (GAG) excretion was measured in children with idiopathic urolithiasis (15 girls and 10 boys; mean (SD) age 6.2 (2.4) years) and in healthy controls (10 girls and 14 boys; mean (SD) age 6.8 (3.8) years). GAG excretion was expressed as a GAG/creatinine (mg/g) ratio and was evaluated using dimethylmethylene blue. In healthy control children, the mean (SD) GAG/creatinine r...

OBJECTIVES To estimate age at menarche and to assess trends in menarcheal age among Saudi women. METHODS A prospective longitudinal study was conducted among healthy prepubertal female school children and adolescents from September 2006 to July 2012 in Riyadh, Kingdom of Saudi Arabia. Study participants were invited from diverse socioeconomic backgrounds. Tanner stage, height, weight, body ma...

OBJECTIVE To explore the relationship between self-reported weight and height to actual weight and height in a cross-sectional representative sample of school students in Jeddah City, Kingdom of Saudi Arabia and its relation to selected socio-economic and socio-demographic factors. Also to evaluate the validity of self-reported weight and height measurements. METHODS Data was collected from a...

Strong evidence exists of a downward secular trend in the age at menarche; which appears to be associated with improved health and nutritional circumstances over the past two centuries. The aim of this study was to determine the mean age at menarche of Irish girls in 2006, as this has not been verified since 1986. A nationally representative sample of Irish girls (n = 4720, age 10-18 years) was...

To investigate the potential effects of common early life exposures on age at menarche, the authors examined data collected in a follow-up study of pregnancies that occurred during the 1960s in California. Among 994 female offspring interviewed as adolescents, 98% had started their menstrual periods at a mean age of 12.96 years. After adjustment, the mean age at menarche was a few months earlie...

OBJECTIVE To examine the influence of childhood obesity on the early onset of puberty and sex hormones in girls. METHODS Healthy girls with different percentages of body fat at baseline (40 obese, 40 normal, and 40 lean) were recruited from three elementary schools in Shenyang, China. These girls (mean age 8.5 years) were also matched by height, school grade, Tanner stage, and family economic...

Subjects and methods 62 (42 girls) out of 305 children with JIA aged 3-17 years and followed-up at the Paediatric Rheumatology OPD in Oulu University Hospital were involved in this cross-sectional study. Group 1 had new TMJ symptoms or findings and group 2 chronic TMJ symptoms or findings. Subjects were examined by a paediatric rheumatologist and by a dentist.The control group consisted of 68 h...

Background Premature adrenarche (PA) has been linked to early thelarche and menarche, but longitudinal data on growth and pubertal development after PA are insufficient. Methods Growth and pubertal development of mostly full-term and appropriate for gestational age-born 43 PA (36 girls) and 63 control children (52 girls) were analyzed prospectively. Children examined first at the mean age of ...

OBJECTIVE To assess the average age of menarche in Pakistani girls from different socioeconomic backgrounds. METHODOLOGY This was a cross sectional study design carried out on female students studying in different schools of Karachi in 2014. Girls aged 10-14 years age were included. Schools from all three socio economic strata were selected through random sampling technique from a list of sch...

Onset of puberty has shifted toward a younger age in the 21 century. The useful pubertal assessment in the individual child must be based on recent and reliable reference data from the same population. However, currently representative pubertal data for Thai girls are lacking. Therefore, we determine the current prevalence and mean ages at onset of pubertal characteristics in healthy urban Thai...