Received: November 21st, 2011 Accepted for Publication: November 28th, 2011 _________________________ ABSTRACT _____________________________________________________________ Background: Several studies suggest that menarche tends to appear earlier in life as sanitary, nutritional and economic conditions of a society improve. Aim / Objective: To determine the age at menarche amongst secondary sch...

OBJECTIVE Younger age at menarche (AAM) may put girls at risk for earlier first sexual intercourse (FSI). Young age at FSI has far-reaching negative outcomes. We describe the longitudinal relationship between AAM and FSI in a large prospective birth cohort. METHODS AAM was collected from 554 girls from the Western Australia (Raine) Pregnancy Cohort Study, prospectively from age 10 or retrospe...

UNLABELLED Malnutrition, delayed growth and puberty are commonly observed in children suffering from cystic fibrosis. The aim of this study was to assess the age of menarche in girls with CF using status quo analysis. The relationship between types of CFTR mutations and onset of the first menstruation was also evaluated. Material was based on somatic data gathered from medical history records o...

Menarche is a significant marker of maturity and puberty in girls, it transition influenced by different biophysical factors. This study was carried out to determine the age, seasons influence body mass index (BMI) on menarche. A total 450 girls’ between ages 10 19 years participated study. Age at menarche obtained via recall quo cross sectional method. Parameters measured were; standing height...

Objectives. Menarche occurrence is influenced by genetic and environmental or external factors. The influence of factors that affect age at menarche vary in different populations. Material methods. Anthropological survey was carried out primary secondary schools rural urban places North Bačka region Vojvodina (North part the Republic Serbia). investigation performed between 2017-2020, data used...

BACKGROUND The ovary is an important site where gene variants modulate pubertal timing. The cannabinoid receptor 2 (CB2) is expressed in the ovary, plays a role in folliculogenesis and ovulation, and can be modulated by estrogens. Obesity is strictly associated with early menarche and is characterized by sex hormone and endocannabinoid derangement. AIM In this study, we investigated the role ...

PURPOSE Studies indicate that milk intake is associated with insulin-like growth factor 1 (IGF-1) concentrations and height in childhood, whether milk and other dairy products promote puberty remains unclear. This study aimed to investigate influences of pre-pubertal intakes of milk, yogurt and cheese on menarcheal age in Tehranian girls. The associations of total dietary calcium (Ca), magnesiu...

The aim of this study was to represent the trend of early menarche and to assess the association of age at menarche with anthropometric profiles of Korean children and adolescents. A cross sectional survey was conducted with 13,371 girls aged 10 to 18 yr, recruited nationwide from April, 2005 to March, 2006. Height, weight and waist circumference of the subjects were measured; and the subjects ...

BACKGROUND Research shows that the age at menarche, as an essential element in the reproductive health of women, had been decreasing in the 19(th) and 20(th) centuries, and shows a huge variation across different countries. There are numerous studies performed in Iran reporting a range of age at menarche. Thus, this meta-analysis aimed to determine the overall mean age at menarche of the girls ...

Background: menarche is one of the most significant milestones in a woman’s life with nutritional status being one of the important non genetic determinants of menarcheal age. Objective: to determine the relationship between age at menarche and anthropometric measurements among adolescent secondary school girls in Port Harcourt, Nigeria. Methods: four hundred and seventy nine adolescent girls w...