Percent Body Fat at Age 5 Predicts Earlier Pubertal Development Among Girls at Age 9

Age at Menarche and its Related Factors among School Girls, in Zanjan, Iran

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...

Size at birth predicts age at menarche.

OBJECTIVE This study examines the relationship of intrauterine growth, measured by size and maturity at birth, to age at menarche, while also considering a wide range of other factors that may affect maturation. The research is motivated by the current debate about the importance of the prenatal environment as a determinant of later disease risk. METHODS Data were collected during the Cebu Lo...

Age at menarche among school girls in Sokoto, Northern Nigeria.

BACKGROUND/OBJECTIVES Menarche, the first menstrual period, is influenced by many factors including socio-economic status and rural or urban dwelling. The aims of the study were to compare the age at menarche between rural and urban girls and evaluate the anthropometric indices at menarche. MATERIALS AND METHODS A cross-sectional study of rural secondary school girls and urban school girls. A...

Age at Menopause and Its Main Predictors among Iranian Women

Age at menarche and its relationship to body mass index among adolescent girls in Kuwait

BACKGROUND Despite the increasing rates of childhood obesity and rapid change in socio-economic status, the mean age at menarche remains mostly unknown among contemporary girls in Kuwait and other countries in the Gulf region. This study aimed to estimate the mean age at menarche among schoolgirls in Kuwait and investigate the association between age at menarche and obesity. METHODS A cross-s...