N. Sabir et al., Can magnetic resonance imaging predict the success of parturition in oxytocin-induced pregnant women?, EUR RADIOL, 10(5), 2000, pp. 768-771
The aim of this study was to assess whether magnetic resonance imaging coul
d predict the outcome attempted vaginal delivery in a group of pregnant wom
en whose parturition had to be induced oxytocin. The signal intensity and m
orphology alterations in the cervix of 21 full-term pregnant women were ana
lyzed before the induction of parturition. T2-weighted gradient echo sequen
ces were utilized and signal intensity in the cervix was measured from the
anterior and posterior lips of the cervix, An dex indicating the brightness
range of the cervix was formulated to overcome the effects of the individu
al intensity changes. Imaging features including the signal intensity and t
he evidence of effacement were correlated with the actual type of delivery
performed. Images were also assessed visually by two independent radiologis
ts. Statistical analysis of brightness indexes that were considered to have
a predictive value as an indicator for possible delivery was not significa
nt. However, visually assessed signal intensity of the cervix correlated st
rongly with the type Hf delivery. Effacement itself was the most reliable p
arameter in predicting the progress of the delivery. In conclusion, MR imag
ing seems to be useful for dieting normal parturition in full-term pregnant
women who need oxytocin induction. However, the presence of effacement see
ms to be a more reliable and practical parameter that will be preferred in
that prediction.