Prediction of the mode of delivery in women subjected to induction of labor by measurement of angle of progression | ||
| Mustansiriya Medical Journal | ||
| Article 1, Volume 15, Issue 3, December 2016, Pages 5-10 | ||
| Author | ||
| Fatin Shallal Farhan | ||
| Abstract | ||
| Background: Transperineal ultrasound measurement is now widely spread and easy to perform method for assessing progressive descent of the head through the pelvis by measurement of many parameters. One of these is the angle of progression which is found to be a successful method that assist obstetrician in predicting the success of induction of labor and the mode of delivery whether vaginal delivery or caesarean section. Objective: To assess the value of angle of progression (AOP) measurement by transperineal ultrasound in the prediction of the outcome of induction of labor at term whether vaginal or caesarean section. Methods: This clinical prospective study was conducted in Al-Yarmouk teaching hospital in the labor ward at the obstetrics department in the period from 1st of December 2015 to 1st of March 2016. Hundred nulliparous women with singleton, term pregnancy (37- 42weeks) were admitted for induction of labor for various reasons. Before the induction; transperineal ultrasound was done to measure the angle of progression. Comparism was done between the group who delivered vaginally and those required caesarean section regarding the difference in angle of progression and induction-to-delivery interval. Results: 77 (82.79%) were delivered vaginally and 16 (17.2%) required emergency Caesarean delivery. There were significant correlations between AOP and induction-to-delivery interval and the mode of delivery. AOP was significantly wider in those who delivered vaginally than women delivered by caesarean section. Conclusion: The measurement of angle of progression can be used as a simple and risk free method to predict the mode of delivery before the induction of labor. | ||
| Keywords | ||
| Induction of labor; angle of progression; transperineal U | ||
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