Fetal head circumference and subpubic angle are independent risk factors for unplanned cesarean and operative delivery.
Giuseppe RizzoElisa AielloCostanza BosiFrancesco D'AntonioDomenico ArduiniPublished in: Acta obstetricia et gynecologica Scandinavica (2017)
Ultrasound assessment of fetal HC and maternal SPA after 36 weeks of gestation can identify a subset of women at higher risk of UOD during labor, for whom early planned delivery might be beneficial.