Decline in the age of menarche in İstanbul schoolgirls over the last 12 years

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dc.authorid0000-0002-1044-6888
dc.contributor.authorGüran, Tülay
dc.contributor.authorHelvacıoğlu, Didem
dc.contributor.authorGürpınar Tosun, Büşra
dc.contributor.authorYavaş Abalı, Zehra
dc.contributor.authorAlır, Fahriye
dc.contributor.authorArslan, Yusuf Taha
dc.contributor.authorMolla, Giasim
dc.contributor.authorŞahin, Berk
dc.contributor.authorSayar, Mehmet Emir
dc.contributor.authorAtay, Zeynep
dc.contributor.authorHaliloğlu, Belma
dc.contributor.authorDemir, Korcan
dc.contributor.authorTuran, Serap
dc.contributor.authorHıdıroğlu, Seyhan
dc.contributor.authorBereket, Abdullah
dc.date.accessioned2023-06-07T07:08:58Z
dc.date.available2023-06-07T07:08:58Z
dc.date.issued2023
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Çocuk Sağlığı ve Hastalıkları Ana Bilim Dalı
dc.description.abstractObjective: Menarche is the endpoint of a sequence of maturational events of female puberty. The timing of menarche is a strongly heritable trait. However, secular trends suggest that lifestyle and environmental factors are important. To assess the trend in age at menarche (AAM), and its associated factors in İstanbul over the last 12 years. Methods: A cross-sectional study was carried out between March and April 2022 on schoolgirls aged 9-18 years. A predesigned and self-administered questionnaire was filled out anonymously by the students. The data of AAM was included in the statistical analysis if the time of AAM is remembered in both months and years. A probit model was used to calculate the median AAM. The findings were compared with those from a study performed 12 years ago in the same region of İstanbul. Results: Among 9000 girls to whom the questionnaire was distributed, 1749 (19.5%) responded. The median AAM of 1374 girls whose AAM information was considered valid was 12.04 years (95% confidence interval: 12.01-12.13), 0.7 years lower than was reported 12 years ago (p<0.0001). AAM was correlated positively with maternal AAM, and negatively with body mass index (BMI) standard deviation score and maternal educational status (p<0.0001, p<0.0001 and p=0.002), respectively. There was no correlation between the AAM and birth weight. Girls with BMI percentile ?85% (n=251) had earlier menarche than the ones with BMI percentile <85% (n=1072) (11.5 vs. 12.1 years, p<0.0001). Among the mother-daughter pairs (n=1162), AAM of girls was 0.91 years (median 0.94 years) earlier than their mothers. Conclusion: The present study demonstrates a significant downward trend in the menarcheal age in İstanbul over the last twelve years. These findings support a strong contribution from genetic factors and BMI on AAM.
dc.identifier.citationGüran, T., Helvacıoğlu, D., Gürpınar Tosun, B., Yavaş Abalı, Z., Alır, F., Arslan, Y. T. ... Bereket, A. (2023). Decline in the age of menarche in İstanbul schoolgirls over the last 12 years. Journal of Clinical Research in Pediatric Endocrinology, 15(2), 154-159. https://doi.org/10.4274/jcrpe.galenos.2023.2022-11-16
dc.identifier.doi10.4274/jcrpe.galenos.2023.2022-11-16
dc.identifier.endpage159
dc.identifier.issn1308-5727
dc.identifier.issn1308-5735
dc.identifier.issue2
dc.identifier.pmid36700465
dc.identifier.scopus2-s2.0-85160871674
dc.identifier.scopusqualityQ2
dc.identifier.startpage154
dc.identifier.trdizinid1177670
dc.identifier.urihttps://doi.org/10.4274/jcrpe.galenos.2023.2022-11-16
dc.identifier.urihttps://hdl.handle.net/20.500.12511/11034
dc.identifier.volume15
dc.identifier.wos001001916000006en_US
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.indekslendigikaynakPubMed
dc.institutionauthorAtay, Zeynep
dc.language.isoen
dc.publisherGalenos Publishing House
dc.relation.ispartofJournal of Clinical Research in Pediatric Endocrinologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectPuberty
dc.subjectAge at Menarche
dc.subjectSecular Trend
dc.subjectPubertal Timing
dc.subjectTurkey
dc.titleDecline in the age of menarche in İstanbul schoolgirls over the last 12 years
dc.typeArticle

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