Results 21 to 30 of about 80,797 (250)
Annals of Human Biology, 1974 SummaryThe age at menarche in girls in schools in Colombo city, Ceylon, in 1968, was estimated by probit analysis as 13·72 ± 0·12 years. This figure is higher than that of 12·84 years obtained in 1950 by a similar analysis. The exact date at menarche was forgotten by 15·5% of the sample but all alleged they remembered the year of age at which it was ...
L, David, C H, Jayewardene
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Age at menarche and prevention of hypertension through lifestyle in young Chinese adult women: result from project ELEFANT. [PDF]
, 2018 Early and late age at menarche are associated with risk of hypertension, but little is known whether modifiable lifestyle can reduce this risk. METHODS: Our study leverages 60,135 healthy young Chinese women from the Environmental and LifEstyle ...
Barrow, TM +12 more
core +7 more sources
Annals of Human Biology, 1987 Data on age at menarche have been collected, using the status quo method, among 1246 Tahitian girls attending school. The median age, estimated by probits, is 12.75 SD 1.76. The girls of the rural districts have a higher median age (13.08 SD 1.97) than the girls of Papeete (12.61 SD 1.47). The results were compared with data collected among other girls
J, Ducros, A, Ducros
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Childhood Abuse and Age at Menarche [PDF]
Journal of Adolescent Health, 2013 Purpose—Physical and sexual abuse are prevalent social hazards. We sought to examine the association between childhood physical and sexual abuse and age at menarche. Methods—Among 68,505 participants enrolled in the Nurses’ Health Study II we investigated the association between childhood physical abuse and sexual abuse on menarche prior to age 11 ...
Renée, Boynton-Jarrett +6 more
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Secular trends in age at menarche among Chinese girls from 24 ethnic minorities, 1985 to 2010 [PDF]
Global 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
Characterization of Spontaneous and Induced Puberty in Girls with Turner Syndrome [PDF]
, 2017 OBJECTIVE: To characterize puberty in girls with Turner syndrome (TS) and determine whether specific patient characteristics are associated with the timing of menarche.
Eugster, Erica A. +3 more
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Annals 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
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Italian Journal of Pediatrics, 2022 Objective over the last few decades there has been a progressive decline in the average age of onset of pubertal development stages in both sexes. The increase in the prevalence of childhood obesity seems to play an important role in this phenomenon ...
Vittorio Ferrari +5 more
doaj +1 more source
Frontiers in Cardiovascular Medicine, 2023 BackgroundThe association between age at menarche and coronary heart disease has been reported, but the association between age at menarche and valvular heart disease (VHD) has not been described.
Zhiyu Sun +17 more
doaj +1 more source
Low Digit Ratio Predicts Early Age at Menarche in Colombian Schoolgirls [PDF]
, 2012 Background: The ratio between the lengths of the second and fourth fingers (digit ratio: 2D : 4D), a purported negative correlate of prenatal androgen exposure, has been inversely related to age at menarche.
Arsenault +34 more
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