The smartphone use during intrapartum ultrasound: a useful tool to diagnose the persistent asynclitism and occiput posterior position before and during birth.
Intrapartum sonography for fetal head asynclitism and transverse position: sonographic signs and comparison of diagnostic performance between transvaginal and digital examination.
Malvasi A, Stark M, Ghi T, Farine D, Guido M, Tinelli A.