Main Findings
In this prospective cohort study, we develop and validate a nomogram
model to predict the probability of cesarean delivery for nulliparous
women with suspected cephalopelvic disproportion based on six
parameters: maternal BMI before labor, induction of labor (spontaneous /
induced), bilateral femoral head distance, obstetric conjugate, fetal
head circumference and fetal
abdominal circumference. It is the
first time combining maternal characteristics and MRI parameters as a
practical tool to evaluate individual CPD risk in the nulliparous woman
at term.