A Study of Mode of Delivery of Twin Pregnancies

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  • TAGUCHI Keisuke
    Dept. of Obstetrics and Gynecology, Saiseikai Yokohamashi Tobu Hospital
  • AKIBA Yasuo
    Dept. of Obstetrics and Gynecology, Saiseikai Yokohamashi Tobu Hospital
  • MITO Yujiro
    Dept. of Obstetrics and Gynecology, Saiseikai Yokohamashi Tobu Hospital

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  • 当院における双胎妊娠の分娩様式と考察
  • トウ イン ニ オケル ソウタイニンシン ノ ブンベン ヨウシキ ト コウサツ

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Abstract

In this study, we classified twin pregnancy cases over the past 7 years at our hospital into a trial of labor (TOL) group and a planned cesarean section group, and retrospectively investigated complications in the mothers and neonates at delivery. We also compared safety between the two groups. Subjects included 74 of 159 cases of twin pregnancy who underwent delivery at our hospital over the 7-year period from January 2009 to December 2015. In total, 45 cases of diamniotic-monochorionic twins and 40 cases of emergent caesarean section due to maternal or fetal complications were excluded. The planned cesarean section group included 56 cases (76%), while the vaginal delivery group included 18 cases (24%). Eleven cases of TOL were successful, while 7 cases failed. There were no significant between-group differences in the backgrounds of the mothers such as age, height, body mass index, and gestational age, excluding the number of multiparous cases. No significant differences in neonatal prognosis were noted between firstborn and second-born in terms of birth weight, umbilical arterial blood pH, Apgar score, number of tracheal intubation cases, and the number of neonatal deaths.The success rate of vaginal delivery was higher in multiparous women than primiparas. All vaginal deliveries were successful among multiparous women, regardless of whether delivery was cephalic. There were no significant differences in the neonatal prognosis between successful/failed cases of vaginal delivery. The success/failure of vaginal delivery for twin pregnancy did not result in an increase in the incidence of neonatal complications. The success rate of vaginal delivery for twin pregnancy was higher among multiparous women.

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