Background: During the past century, the mean age at menarche among the North West Iranian girls has decreased. The aim of this study was to compare the age of menarche between two generations and to determine the effect of BMI on the menarche age. Materials and Methods: This cross –sectional study was carried out on 2029 girls of 9-17 years of age during September 2012 to May 2014 in North-Wes...

OBJECTIVE Clinicians should show an awareness on the menstrual characteristics of adolescent girls which may differ from adults in some aspects. To define menstrual cycle features among high school girls residing in a city center in southeastern Turkey. METHODS A cross-sectional survey was conducted on 1256 girls attending a high school located in the city center of Elazığ, Turkey. Data from ...

BACKGROUND AND OBJECTIVES In Korea, there hasn't been any previous literature that describes auscultatory blood pressure (BP) normative tables for adolescents. Using BP data, from the Korean National Health and Nutrition Examination Survey (KNHANES), we created normative auscultatory BP percentile tables for Korean adolescents. SUBJECTS AND METHODS A total of 3508 adolescents (boys 1852, girl...

OBJECTIVE To evaluate the use of bone-anchored hearing aids (Bahas) in children with single-sided deafness. DESIGN Retrospective 3-year chart review. SETTING Arkansas Children's Hospital, Little Rock, pediatric hospital serving children from birth to 21 years of age. PATIENTS The study included 23 children (14 girls and 9 boys) with single-sided deafness (mean age, 12.6 years; age range, ...

Brain development during childhood and adolescence differs between boys and girls. Structural changes continue during adulthood and old age, particularly in terms of brain volume reductions that accelerate beyond age 35 years. We investigated whether brain structural change in mid-life differs between men and women. 43 men and 28 women from the Northern Finland 1966 Birth Cohort underwent MRI b...

BACKGROUND Correct staging of puberty is essential in order to differentiate different pathologies, as various components of the endocrine system influence breast, pubic, and axillary hair development. AIMS To determine the current timing of adrenarche and breast development in Lithuanian preadolescent schoolgirls. METHODS Cross-sectional study of 1231 schoolgirls aged 7.0-11.6 years. Puber...

BACKGROUND Overweight among children and adolescents related to social inequality, as well as age and gender differences, may contribute to poor self-image, thereby raising important public health concerns. This study explores social inequality in relation to overweight and perception of overweight among 263 boys and girls, age 7 to 17, in Växjö, Sweden. METHODS Data were obtained through a q...

BackgroundThere are differences in the age at menarche in different countries and it seems that in recent decades gradually the age of puberty is declining. The aim of the present study was to determine the age at menarche and its related factors in school girls in Zanjan city, Iran.Materials and MethodsThis cross-sectional study was conducted on 1,500 healthy school girls between 6-17 years ol...

OBJECTIVE To study the effects of early metformin treatment on menarche, height, and polycystic ovary syndrome (PCOS) markers. Low-birthweight (LBW) girls with precocious pubarche (PP) are at risk for an early menarche (<12 years), an adult stature below target level, and PCOS. Hyperinsulinemic insulin resistance is thought to be a key factor. DESIGN Open-label, randomized study. SETTING Un...

prediction of the onset of menstruation (menarche age) using height, weight and body mass index (bmi) is a major health procedure. the present study was conducted to determine the relationship between anthropometric indices and menarche age in 488 girls 11-17 years in southern iran (kish island) in 2011.data was collected using questionnaires as well as measurements of the children's height and...