The Effect of Maternal Age at the First Childbirth on Gestational Age and Birth Weight: The Japan Environment and Children’s Study (JECS)

Background: In Japan, mean maternal age at first childbirth is increasing. The aim of this study was to investigate whether maternal age at the first childbirth is a risk factor for preterm birth (PTB), low birth weight (LBW), and small for gestational age (SGA). Methods: We used the results of Japa...

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Bibliographic Details
Main Authors: Hyo Kyozuka, Keiya Fujimori, Mitsuaki Hosoya, Seiji Yasumura, Tadahiko Yokoyama, Akiko Sato, Koichi Hashimoto, the Japan Environment and Children’s Study (JECS) Group
Format: Article
Language:English
Published: Japan Epidemiological Association 2019-05-01
Series:Journal of Epidemiology
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/jea/29/5/29_JE20170283/_pdf