Intrapartum prediction of emergency delivery due to non-reassuring fetal status at 40 weeks' gestation in low-risk pregnancies: contribution of Doppler parameters, maternal history, and intrapartum clinical characteristics

To assess the added value of Doppler parameters, maternal history, and intrapartum clinical characteristics for the prediction of emergency delivery due to non-reassuring fetal status in low-risk pregnancies. This was a prospective cohort of low-risk pregnancies undergoing ultrasound assessment at 4...

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Bibliographic Details
Published in:The journal of maternal-fetal & neonatal medicine 2021-09, Vol.34 (17), p.2816-2824
Main Authors: Crovetto, Francesca, Cesano, Nicola, Rossi, Federica, Acerboni, Stefano, Marinis, Stefano D. E., Basso, Annachiara, Martinez Portilla, Raigam Jafet, Acaia, Barbara, Fedele, Luigi, Ferrazzi, Enrico, Persico, Nicola
Format: Article
Language:English
Subjects:
Appropriate-gestational-age
cerebroplacental ratio
Cesarean Section
Female
fetal Doppler
Gestational Age
Humans
Infant, Newborn
Infant, Small for Gestational Age
middle cerebral artery
Middle Cerebral Artery - diagnostic imaging
Parturition
Pregnancy
Prospective Studies
Pulsatile Flow
small-gestational-age
Ultrasonography, Doppler
Ultrasonography, Prenatal
Umbilical Arteries - diagnostic imaging
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Summary:To assess the added value of Doppler parameters, maternal history, and intrapartum clinical characteristics for the prediction of emergency delivery due to non-reassuring fetal status in low-risk pregnancies. This was a prospective cohort of low-risk pregnancies undergoing ultrasound assessment at 40 weeks' gestation within 7 days of delivery. The main outcome was emergency cesarean section due to non-reassuring fetal status. The association between Doppler parameters, intrapartum clinical characteristics, and maternal history was performed by logistic regression. The predictive performance of the constructed models was assessed by receiver operating characteristic (ROC) curve analysis and the area under the curve (AUC). From 403 included pregnancies, 18.6% (n = 75) underwent an emergency delivery due to non-reassuring fetal status. The mean gestational age at birth was 40.5 (SD 5) days. Middle cerebral artery pulsatility index (MCA) and cerebroplacental ratio (CPR) were lower in the emergency cesarean section group (1.16 versus 1.30; p 
ISSN:1476-7058
1476-4954
DOI:10.1080/14767058.2019.1671338