Results 21 to 30 of about 40,288,792 (267)

Age at menarche in Iran

open access: yesAnnals of Human Biology, 2002
Age at menarche and its potential associated factors are reported for 1862 Shiraz (Southern Iran) secondary school girls taking part in a cross-sectional survey selected from the four educational districts of the city.Probit analysis was used to estimate age at menarche, principal component analysis (PCA) was applied to analyse socio-economic status ...
S M T, Ayatollahi   +2 more
openaire   +2 more sources

Trends and differentials in menarcheal age in China. [PDF]

open access: yes, 2002
This study examines trends in menarcheal age of women born in China between 1950 and 1973, and explores the impact of relevant social background characteristics on the timing of first menarche.
Murphy, Michael J.   +2 more
core   +1 more source

Relationship between Age at Menarche and Menstrual Irregularities in Reproductive Age

open access: yesJournal of Mazandaran University of Medical Sciences, 2021
Background and purpose: Factors associated with menstrual irregularities are highly important. This study aimed to determine the association between age at menarche and menstrual irregularities in reproductive period.
Maryam Farahmand   +3 more
doaj  

Secular Trend in Age at Menarche and Associated Determinants in the Valencian Population (Spain). [PDF]

open access: yesAm J Hum Biol
The graphical abstract illustrates changes in age at menarche in the Valencian population (Spain) over nearly eight decades and its association with anthropometric and sociodemographic factors. ABSTRACT Objective To assess secular trend in age at menarche spanning nearly eight decades and to explore variations in these patterns according to selected ...
Beneito A   +11 more
europepmc   +2 more sources

Menarcheal age in Cumbria

open access: yesAnnals of Human Biology, 1986
A survey of age at menarche in north-west England, how it is affected by family environment and how it affects physique, was carried out on a large sample of schoolgirls in Cumbria. Age at menarche shows no independent effect of social class, but is strongly influenced by family size and also partly by position in family.
Roberts, D. F., Wood, W., Chinn, S.
openaire   +4 more sources

Secular trends in age at menarche among Chinese girls from 24 ethnic minorities, 1985 to 2010 [PDF]

open access: yesGlobal Health Action, 2015
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.
Yi Song   +5 more
doaj   +1 more source

Parent-of-origin-specific allelic associations among 106 genomic loci for age at menarche. [PDF]

open access: yes, 2014
Age at menarche is a marker of timing of puberty in females. It varies widely between individuals, is a heritable trait and is associated with risks for obesity, type 2 diabetes, cardiovascular disease, breast cancer and all-cause mortality.
Paternoster, Lavinia   +999 more
core   +4 more sources

Age at menarche in relation to adult height [PDF]

open access: yes, 2005
In the last two centuries, age at menarche has decreased in several European populations, whereas adult height has increased. It is unclear whether these trends have ceased in recent years or how age at menarche and height are related in individuals.
Onland-Moret, NC   +22 more
core   +3 more sources

Early- Life Determinants of the Age at Menarche. [PDF]

open access: yes, 2016
Menarche, the first menstrual period, is a recognizable marker of puberty. The timing of menarche has important public health ramifications because an early age at menarche is associated with breast and endometrial cancers, obesity, type II diabetes ...
Jansen, Erica Christine
core   +7 more sources

Is age at menarche associated with total mortality? The Tromsø Study [PDF]

open access: yes, 2018
Marie Wasmuth Lundblad, Bjarne K Jacobsen Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway Purpose: Early age at menarche (AAM) has been associated with increased mortality and morbidity, including premature ...
Marie Lundblad   +5 more
core   +1 more source

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