Retrospective analysis of early-term infants at our hospital

DOI
  • Fujinaka Yoshinori
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Matsunaga Asami
    Department of Obstetrics and Gynecology, Tokyo Metropolitan Ohtsuka Hospital
  • Takahashi Megumi
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Seya Megumi
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Onoyama Yosuke
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Okada Maiko
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Koge Atsuko
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Ohashi Shoko
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Masunaga Ken
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital
  • Iwata Misako
    Department of Obstetrics and Gynecology, Tokyo Metropolitan Ohtsuka Hospital
  • Takigawa Itsuro
    Department of Neonatology, Tokyo Metropolitan Ohtsuka Hospital

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Other Title
  • 在胎37週，38週の早期正期産児（Early term児）の臨床的検討

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<p> Of 4,013 term infants born in our hospital during the 3 years from 2014 to 2017, approximately 30％（1,239 infants）were early term. Excluding multiple births, congenital malformations, and small- and large-for-gestationalage infants, 894 early-term and 1, 695 full-term infants were identified. Maternal background, neonatal complications, and hospitalization rates were examined retrospectively. Maternal complications were found to be more common in the early-term group; in terms of delivery method, cesarean section, especially planned cesarean section, was more common in the early-term group. Neonatal asphyxia（5-min Apgar ＜ 7）and hypoglycemia（＜ 50 mg/dL）were more common in the early-term group in the univariate analysis; however, only hypoglycemia was significantly different in the multivariate analysis. Early-term birth was an independent risk factor for neonatal hospitalization rates and readmission rates（within 1 month after birth）. Delivery as close as possible to the full term is desirable; however, considering the risks associated with emergency cesarean section surgery, we consider the planned cesarean section which time is slightly earlier than full term is appropriate.</p>

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