Fig. 7From: Automated prediction of early spontaneous miscarriage based on the analyzing ultrasonographic gestational sac imaging by the convolutional neural network: a case-control and cohort studyReceiver operating characteristic curves of the CNN model and Ultrasound indexes in the prospective study. CRL: crown-rump length; HR: heart rate; CNN: convolutional neural network. VGG19: a model of the convolutional neural networkBack to article page