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Association between Obesity and Puberty Timing: A Systematic Review and Meta-Analysis

Author

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  • Wenyan Li

    (School of Public Health and Management, Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, Chongqing Medical University, Chongqing 400016, China)

  • Qin Liu

    (School of Public Health and Management, Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, Chongqing Medical University, Chongqing 400016, China)

  • Xu Deng

    (School of Public Health and Management, Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, Chongqing Medical University, Chongqing 400016, China)

  • Yiwen Chen

    (School of Public Health and Management, Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, Chongqing Medical University, Chongqing 400016, China)

  • Shudan Liu

    (School of Public Health and Management, Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, Chongqing Medical University, Chongqing 400016, China)

  • Mary Story

    (Department of Community and Family Medicine, Duke University, Durham, NC 27708, USA
    Duke Global Health Institute, Duke University, Durham, NC 27708, USA)

Abstract

This systematic review and meta-analysis examined the associations between obesity and puberty timing based on scientific evidence. Eight electronic databases were searched up to February 2017 for eligible studies, and two reviewers screened the articles and extracted the data independently. A total of 11 cohort studies with 4841 subjects met the inclusion criteria. Compared with the group of normal-weight girls, the obese group had more girls with menarche (RR: 1.87, 95% CI: 1.59–2.19, 2 studies). The number of girls with early puberty was significantly higher in the obese group than the normal weight group (RR: 2.44, 95% CI: 1.32–4.52, 5 studies). However, no differences were detected between girls who were obese or normal weight at age of menarche (WMD: −0.53 years, 95% CI: −1.24–0.19, 2 studies). There is no consistent result in the relationship between obesity and timing of pubertal onset in boys. Obesity may contribute to early onset of puberty in girls, while in boys, there is insufficient data. Given the limited number of cohort studies included in this meta-analysis, high-quality studies with strong markers of puberty onset, as well as standardized criteria for defining obesity are needed.

Suggested Citation

  • Wenyan Li & Qin Liu & Xu Deng & Yiwen Chen & Shudan Liu & Mary Story, 2017. "Association between Obesity and Puberty Timing: A Systematic Review and Meta-Analysis," IJERPH, MDPI, vol. 14(10), pages 1-13, October.
    • Handle: RePEc:gam:jijerp:v:14:y:2017:i:10:p:1266-:d:116129
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    Cited by:

    1. Clariano Pires de Oliveira Neto & Rossana Santiago de Sousa Azulay & Ana Gregória Ferreira Pereira de Almeida & Maria da Glória Rodrigues Tavares & Luciana Helena Gama Vaz & Ianik Rafaela Lima Leal & , 2022. "Differences in Puberty of Girls before and during the COVID-19 Pandemic," IJERPH, MDPI, vol. 19(8), pages 1-10, April.
    2. Hania Rahimi-Ardabili & Thomas Astell-Burt & Phi-Yen Nguyen & Juan Zhang & Yu Jiang & Guang-Hui Dong & Xiaoqi Feng, 2021. "Green Space and Health in Mainland China: A Systematic Review," IJERPH, MDPI, vol. 18(18), pages 1-22, September.
    3. Pedro Jesús Ruiz-Montero & Oscar Chiva-Bartoll & Antonio Baena-Extremera & David Hortigüela-Alcalá, 2020. "Gender, Physical Self-Perception and Overall Physical Fitness in Secondary School Students: A Multiple Mediation Model," IJERPH, MDPI, vol. 17(18), pages 1-14, September.
    4. Phi-Yen Nguyen & Thomas Astell-Burt & Hania Rahimi-Ardabili & Xiaoqi Feng, 2021. "Green Space Quality and Health: A Systematic Review," IJERPH, MDPI, vol. 18(21), pages 1-38, October.

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