{"title":"Maternal asthma in pregnancy and pubertal timing in daughters and sons: A population-based cohort study","authors":"Camilla Lomholt Kjersgaard , Andreas Ernst , Sofie Aagaard Sand , Pernille Jul Clemmensen , Nis Brix , Lea Lykke Harrits Lunddorf , Cecilia Høst Ramlau-Hansen","doi":"10.1016/j.annepidem.2025.04.013","DOIUrl":null,"url":null,"abstract":"<div><h3>Purpose</h3><div>We investigated the impact of maternal asthma on children’s pubertal timing as it remains underexplored.</div></div><div><h3>Methods</h3><div>The Danish National Birth Cohort (DNBC) provided information on maternal asthma during pregnancy, supplemented with diagnosis codes from the Danish National Patient Register. The DNBC sub-cohort the Puberty Cohort gave half-yearly information on pubertal timing from 11 years. We estimated adjusted mean age differences in months for reaching Tanner Stages 1–5 for breast, genital and pubic hair development, axillary hair, acne, and voice break, and menarche for daughters, and first ejaculation for sons. Further, a negative control analysis explored confounding, and two mediation analyses explored mediation through birthweight and childhood asthma.</div></div><div><h3>Results</h3><div>In total, 15,819 children and their mothers participated and 6.6 % of the children had mothers with asthma. Results indicated slightly later pubertal development in sons of mothers with asthma (average difference: 1.0 months (95 % confidence intervals −0.4, 2.4)). This association was not mediated by birthweight or childhood asthma. We did not observe any associations among daughters. The negative control analysis suggested some confounding towards the null.</div></div><div><h3>Conclusion</h3><div>Sons of mothers with asthma during pregnancy had slightly later pubertal timing, though the result could also indicate no association.</div></div>","PeriodicalId":50767,"journal":{"name":"Annals of Epidemiology","volume":"106 ","pages":"Pages 40-47"},"PeriodicalIF":3.3000,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annals of Epidemiology","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1047279725000791","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose
We investigated the impact of maternal asthma on children’s pubertal timing as it remains underexplored.
Methods
The Danish National Birth Cohort (DNBC) provided information on maternal asthma during pregnancy, supplemented with diagnosis codes from the Danish National Patient Register. The DNBC sub-cohort the Puberty Cohort gave half-yearly information on pubertal timing from 11 years. We estimated adjusted mean age differences in months for reaching Tanner Stages 1–5 for breast, genital and pubic hair development, axillary hair, acne, and voice break, and menarche for daughters, and first ejaculation for sons. Further, a negative control analysis explored confounding, and two mediation analyses explored mediation through birthweight and childhood asthma.
Results
In total, 15,819 children and their mothers participated and 6.6 % of the children had mothers with asthma. Results indicated slightly later pubertal development in sons of mothers with asthma (average difference: 1.0 months (95 % confidence intervals −0.4, 2.4)). This association was not mediated by birthweight or childhood asthma. We did not observe any associations among daughters. The negative control analysis suggested some confounding towards the null.
Conclusion
Sons of mothers with asthma during pregnancy had slightly later pubertal timing, though the result could also indicate no association.
期刊介绍:
The journal emphasizes the application of epidemiologic methods to issues that affect the distribution and determinants of human illness in diverse contexts. Its primary focus is on chronic and acute conditions of diverse etiologies and of major importance to clinical medicine, public health, and health care delivery.