Fetal Biparietal Diameter as a Potential Risk Factor for Emergency Cesarean Section due to Labor Arrest

The Tohoku Journal of Experimental Medicine
Satoshi ShinoharaMotoi Takizawa

Abstract

Labor arrest is the most common indication for emergency cesarean section (ECS). Increased biparietal diameter (BPD) has been reported as a risk factor for ECS due to labor arrest in different countries, but it is unclear whether this relationship is relevant in Japan. Considering the difference in maternal physique according to race and ethnicity, we retrospectively evaluated the association between ECS due to labor arrest and BPD, measured by ultrasonography < 7 days before term deliveries in Japanese women. BPD is routinely measured in Japan for estimating fetal weight. Information was extracted from obstetric records at the National Hospital Organization Kofu National Hospital between January 2012 and November 2019. Patients with multiple pregnancies, instrumental (forceps or vacuum) delivery, elective cesarean sections, and ECS due to reasons other than labor arrest were excluded. Thus, 2,695 women were included (age, 31.3 ± 6.2 years; pre-pregnancy body mass index, 20.9 ± 3.2 kg/m2), and 1,319 (48.9%) were nulliparous. The incidence of ECS due to labor arrest was 2.4% (64/2,695). Multivariable analysis indicated that BPD was significantly associated with ECS due to labor arrest (adjusted odds ratio, 1.12; 95% confidence i...Continue Reading

References

Aug 24, 2000·BJOG : an International Journal of Obstetrics and Gynaecology·H B LiseleleS Meuris
Aug 8, 2002·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·P DeurenbergS Guricci
Jan 7, 2018·American Journal of Obstetrics and Gynecology·Michal LipschuetzSimcha Yagel
Nov 14, 2019·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Onur KaraaslanErkan Kalafat

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