Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/113952
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dc.contributor.authorLawn, R.en
dc.contributor.authorLawlor, D.en
dc.contributor.authorFraser, A.en
dc.date.issued2018en
dc.identifier.citationAmerican Journal of Epidemiology, 2018; 187(4):677-686en
dc.identifier.issn0002-9262en
dc.identifier.issn1476-6256en
dc.identifier.urihttp://hdl.handle.net/2440/113952-
dc.description.abstractEarlier puberty and menarche are associated with adverse health outcomes. Reported associations of maternal adiposity with daughter's age at menarche are inconsistent. We examined associations between maternal prepregnancy body mass index (BMI; weight (kg)/height (m)2) and gestational weight gain (GWG) and daughter's ages at menarche (n = 3,935 mother-offspring pairs), pubarche (Tanner stage 2 for pubic hair) (n = 2,942 pairs), and thelarche (Tanner stage 2 for breast development) (n = 2,942 pairs) in the Avon Longitudinal Study of Parents and Children, a prospective United Kingdom pregnancy cohort study (baseline 1991-1992). During a follow-up period of up to 17 years (1991-2008), mean menarcheal age was 12.6 (standard deviation, 1.2) years. Both maternal prepregnancy BMI and GWG were inversely associated with daughter's age at menarche after adjustment for maternal age, parity, socioeconomic status, smoking, maternal menarcheal age, and ethnicity (mean differences were -0.34 months (95% confidence interval: -0.45, -0.22) per BMI unit and -0.17 months (95% confidence interval: -0.26, -0.07) per kg, respectively). Associations remained unchanged after adjustment for birth weight and gestational age but were attenuated to the null when results were adjusted for daughter's prepubertal BMI. Similar results were found for ages at pubarche and thelarche. These findings indicate that greater prepregnancy BMI and GWG are associated with earlier puberty in daughters and that these associations are mediated by daughters' prepubertal BMIs.en
dc.description.statementofresponsibilityRebecca B Lawn, Debbie A Lawlor, Abigail Fraseren
dc.language.isoenen
dc.publisherOxford University Pressen
dc.rights© The Author(s) 2018. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons. org/licenses/by/4.0), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.subjectAvon Longitudinal Study of Parents and Children; body mass index; gestational weight gain; menarche; pubertyen
dc.titleAssociations between Maternal Prepregnancy Body Mass Index and Gestational Weight Gain and Daughter's Age at Menarcheen
dc.typeJournal articleen
dc.identifier.rmid0030094331en
dc.identifier.doi10.1093/aje/kwx308en
dc.identifier.pubid404584-
pubs.library.collectionMedicine publicationsen
pubs.library.teamDS10en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Medicine publications

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