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Development and validation of model for prediction of placental dysfunction‐related stillbirth from maternal factors, fetal weight and uterine artery Doppler at mid‐gestation

To examine the performance of a model combining maternal risk factors, uterine artery pulsatility index (UtA‐PI) and estimated fetal weight (EFW) at 19–24 weeks' gestation, for predicting all antepartum stillbirths and those due to impaired placentation, in a training dataset used for development of the model and in a validation dataset.