Spatio-temporal trends of the age-at-menarche percentiles among Portuguese women since 1920

• Main Authors: Vitor Rodrigues (Author), Rui Martins (Author), Bruno de Sousa (Author)
• 格式: 图书
• 出版: BMC, 2023-09-01T00:00:00Z.
• 主题: article
• 在线阅读: Connect to this object online.

Abstract Background This work aims to study the spatio-temporal evolution of a woman's age at menarche in the central region of Portugal. One of the concerns of the study is early or late menarches; thus, we consider percentile regression to build the respective curves as opposed to the more tr...