Menstruation is a normal physiological phenomenon for females indicating her capability for procreation and abnormalities of menstruation are a major gynaecological problem in adolescence. However, variability in menstrual cycle characteristics and menstrual disorders are common. The objectives of the study were to find out the age of menarche among the Adolescent girls of the urban slum, to st...

The aim of this study is to assess the biological status of girls from landless rural families – daughters of working fathers, and those of unemployed fathers. The measures include age at menarche, body height and weight, and the body mass index (BMI). The study of rural girls was conducted in 2001; a total of 9599 girls aged 9-18 were examined. The material used in the present article only emb...

Childhood adversity has been associated with accelerated menarcheal and reproductive timing in females. The relationship between family- and neighbourhood-level measures of childhood adversity, menarcheal timing and intended reproductive timing was investigated in a sample of 354 English adolescent girls. The data were collected from March to June 2012. In total 90 of the participants had reach...

BACKGROUND An increased incidence of central precocious puberty has been recently reported in South Korea, which suggests an ongoing downward trend in pubertal development in the Korean population. We aimed to verify the trend in age at menarche in young Korean women during the last decade and associated factors. METHODS We analyzed a population-based sample of 3409 Korean girls, aged 10-18 y...

In a study to assess the effects of intensive physical activity and thinness on menarche records of 648 girls aged 10-14 were analysed. The girls were classified as thin or not thin on the basis of their body mass index, and whether or not they engaged in intensive sports activity was established. The presence of either thinness or intensive sports activity was associated with roughly a twofold...

OBJECTIVES Ascertaining the age when the menarche occurs in school girls living in Angra dos Reis/RJ and the pattern of physical qualities in periods during puberty using the menarche as the benchmark for sexual maturation. METHODS The sample consisted of 232 10-to 16-year-old girls, divided into four groups according to sexual maturation. Following an interview during which the onset of the ...

OBJECTIVES This study examined the timing of menarche and spermarche and their associations with physical activity (PA) and sedentary behavior (SB) after controlling for body mass index (BMI). METHODS Multiple logistic regression analyses were conducted to determine whether the timing of menarche in girls and spermarche in boys is associated with PA and SB independent of BMI in a nationally r...

BACKGROUND Several components of dairy products have been linked to earlier menarche. METHODS/FINDINGS This study assessed whether positive associations exist between childhood milk consumption and age at menarche or the likelihood of early menarche (<12 yrs) in a U.S sample. Data derive from the National Health and Nutrition Examination Survey (NHANES) 1999-2004. Two samples were utilized: 2...

BACKGROUND Early sexual maturation has been associated with overweight that may persist after the completion of biological growth and development. We have prospectively examined the influence of early sexual maturation on subsequent overweight in late adolescence and assessed if this association was modified by central adiposity in early adolescence. METHODS 1605 Norwegian adolescents were fo...

PURPOSE The aim of this study was to evaluate the association between birth characteristics based on birth weight for gestational age, timing of menarche and adult height in girls born small for gestational age (SGA). METHODS Thirty subjects born from 1988 through 1999 whose birth weight below 10th percentile for their gestational ages were recruited based on hospital chart reviews. The age o...