Frisch, R. E., and Revelle, R. (1971). Archives of Disease in Childhood, 46, 695. Height and weight at menarche and a hypothesis of menarche. Height and weight at menarche were estimated by interpolation of longitudinal growth data for 181 girls. Mean weight at menarche, about 48 kg, does not change as menarcheal age increases, whereas mean height increases significantly. Early and late menarch...

OBJECTIVE Despite investigations into the rapid increase in eating disorders across diverse ethnic groups, conclusions concerning ethnicity and eating disorders are contradictory. The objective of the present study was to investigate eating attitudes in ethnic Japanese and Caucasian adolescents in Brazil. The influence of body mass index (BMI), menarche and social-affective relationships on the...

The aim of this study was to examine the prevalence of dysmenorrhea in female adolescents and the influence of anthropological characteristics and lifestyle factors on menstrual pain. Two hundred and ninety seven girls from several elementary and secondary schools were interviewed about the presence of the menstrual pain, their age, height and weight, menarcheal age, menstrual cycles quality, s...

OBJECTIVE It has been reported that early menarche is associated with higher risk for type 2 diabetes. We aimed to explore the association between age at menarche and risk of type 2 diabetes in a population-based cohort study. METHODS For the purpose of the present study, 5191 subjects of reproductive age who were participants of the Tehran Lipid and Glucose Study and also met the eligibility...

Prolongation of the ECG derived QT interval predicts increased risk for sudden life-threatening arrhythmias. Many medicines are known to prolong though current data demonstrate that progesterone given premenopausal females <18 years shortens by six msec. This effect may be used treat individuals with abnormal prolongation interval. Hormone progestin is a number conditions in post-menarche >18 o...

The social brain undergoes developmental change during adolescence, and pubertal hormones are hypothesized to contribute to this development. We used fMRI to explore how pubertal indicators (salivary concentrations of testosterone, oestradiol and DHEA; pubertal stage; menarcheal status) relate to brain activity during a social emotion task. Forty-two females aged 11.1 to 13.7 years underwent fM...

BACKGROUND The objective of this study was to assess intergenerational mother-daughter patterns of reproduction. METHODS In 1966, 12 055 pregnant women in Northern Finland, representing 96% of all births in the region, responded to a questionnaire in mid-gestation. In 1997-98, the 31-year-old daughters born from those pregnancies were sent a questionnaire and 4523 (80%) responded. Reproductio...

BACKGROUND Previous studies of the reproducibility of self-reported age at menarche have been limited because of small study samples, short follow-up and the limited age span of the women included. METHODS The present study assessed the reproducibility of age at menarche in 6731 women with a wide variation of age when giving the information about age at menarche. The women reported age at men...