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Changes in the number of babies born with Down syndrome in Japan.

Yoshinobu SugoKentaro KurasawaYusuke SaigusaHaruka HamanoueFumiki HiraharaEtsuko Miyagi
Published in: The journal of obstetrics and gynaecology research (2022)
This study revealed that the proportion of mothers giving birth at the age of 35 years or older strongly affected the proportion of babies born with Down syndrome. We assume that the proportion of babies is slightly affected by the increased number of pregnant women currently undergoing prenatal screening after the introduction of noninvasive prenatal genetic testing in 2013.
Keyphrases
  • gestational age
  • pregnant women
  • preterm birth
  • physical activity
  • pregnancy outcomes
  • single cell
  • low birth weight
  • middle aged
  • community dwelling
  • preterm infants