Brunelli E, Youssef A, Soliman EM, et al. - Researchers here examined whether fetal head station, as measured by angle of progression, can aid in the prediction of persistent occiput posterior position and the mode of delivery in the second stage of labor. A non-consecutive series of women with posterior occiput position diagnosed by transabdominal ultrasound in the second stage of labor was recruited and a transperineal ultrasound was performed in each woman to determine angle of progression at rest. The analysis was performed including 63 women. Findings revealed higher rates of persistent occiput posterior position at delivery and a higher risk of Cesarean delivery in correlation with narrower values of the angle of progression in fetuses with occiput posterior at the beginning of the second stage of labor.