Association of puberty timing with parental age at childbirth among primary and secondary students in Beijing

• Main Authors: Zu-hong ZHANG (Author), Tian-jiao CHEN (Author), Jun MA (Author)
• Formato: Libro
• Publicado: Editorial Office of Chinese Journal of Public Health, 2022-06-01T00:00:00Z.
• Subjects: article
• Acceso en liña: Connect to this object online.

ObjectiveTo explore the relationship between puberty timing and parental age at childbirth among primary and secondary students and in Beijing, and to provide a reference for further comprehending puberty development of children and adolescents. MethodsUsing a self-designed questionnaire and the Pub...