OBJECTIVE To determine the relationship between anthropometric indices and the age of menarche in female students of Sabzevar, Iran. METHODS The cross-sectional study was conducted in Sabzevar, Iran, from April to September 2010, and involved girls of 11-18 years of age. The required sample size for analysing the relationship between menarche age and Body Mass Index was estimated to be 110 by...

OBJECTIVES To estimate the shifts in age at menarche from 1985 to 2010, compare the differences of average age at menarche between urban and rural groups, and determine the association of menarche with body mass index (BMI). STUDY DESIGN The data were obtained from 4 cross-sectional Chinese National Surveys on Students' Constitution and Health (1985, 1995, 2005, and 2010). In this representat...

Tissue iron stores are commonly assessed by measuring serum ferritin. Adolescent girls are more prone to develop iron deficiency due to menstrual blood loss. Menstruation is an inflammatory process and we hypothesized that serum ferritin levels may be elevated during menstruation as it is an acute phase protein and hence serum ferritin measurement alone may not be truly reflective of iron statu...

BACKGROUND Declining age at menarche has been observed in many countries. In China, a decrease of 4.5 months per decade in the average age at menarche among the majority Han girls has recently been reported. However, the trends in age at menarche among ethnic minority girls over the past 25 years remain unknown. OBJECTIVES To compare the differences in median age at menarche among girls aged ...

OBJECTIVE To evaluate the age at menarche of girls, with or without weight excess, attending private and public schools in a city in Southeastern Brazil. METHODS This was a cross-sectional study comparing the age at menarche of 750 girls from private schools with 921 students from public schools, aged between 7 and 18 years. The menarche was reported by the status quo method and age at menarc...

BACKGROUND Menarche age is an important indicator of reproductive health of a woman or a community. In industrial societies, age at menarche has been declining over the last 150 years with a secular trend, and similar trends have been reported in some developing countries. Menarche age is affected by genetic and environmental cues, including nutrition. The study was designed to determine the ag...

AIM To assess and compare the secular trend in age at menarche in Dutch girls (1955-2009) and girls from Turkish and Moroccan descent living in the Netherlands (1997-2009). METHODS Data on growth and maturation were collected in 20,867 children of Dutch, Turkish and Moroccan descent in 2009 by trained health care professionals. Girls, 9 years and older, of Dutch (n = 2138), Turkish (n = 282),...

Aim: The objective of this study is to fill the information gap by providing detailed information on the development of girls’ BMI and hip and waist circumferences in correlation with their menarche status and to examine the impact of considering menarcheal age in addition to numerical age in the assessment of overweight and abdominal overweight. Subjects and Methods: The description of data is...

BACKGROUND A growing number of studies suggest a link between timing of menarche and risk of depressive symptoms in adolescence, but few have prospectively examined the emergence of depressive symptoms from late childhood into adolescence. AIMS To examine whether girls who experience earlier menarche than their peers have higher levels of depressive symptoms in adolescence. METHOD The study...

AIM To examine the long term effect of bone marrow transplantation (BMT) on ovarian function in girls. METHODS Eighteen girls who underwent BMT before menarche, had been disease free for more than six years, and were over 14 years of age at the time of study were investigated. The preparative regimen consisted of irradiation and chemotherapy. The occurrence of menarche and changes in basal se...