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

Hyo KyozukaKeiya FujimoriMitsuaki HosoyaSeiji YasumuraTadahiko YokoyamaAkiko SatoKoichi Hashimotonull null
Published in: Journal of epidemiology (2018)
The present study showed that higher maternal age (>30 years) at the first childbirth was an independent risk factor for PTB, LBW, and SGA.
Keyphrases
  • birth weight
  • gestational age
  • weight gain
  • young adults
  • body mass index
  • weight loss
  • physical activity