The Role of Ultrasonography in Labor in Predicting the Outcomes of Childbirth

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Conditions studied: Ultrasound in Labor

In brief

Ultrasound in the delivery room represents a useful diagnostic tool and is used for the assessment of fetal presentation, fetal malpresentation/malposition, and prior to any operative delivery. Transperineal ultrasonography, performed by placing the ultrasound probe covered by a sterile glove at the level of the labia majora, has proven useful in providing information on the progression of the presented fetal part in the birth canal and in predicting birth outcomes. Many studies have shown a correlation between the above ultrasound indices and birth outcomes. These ultrasound indices are therefore used in clinical practice to assess the progression of the presented fetal part in the birth canal and the presence of fetal malpresentation/malposition. Despite this, to date, few studies have evaluated the correlation between dynamic changes in these ultrasound parameters between rest and maximal maternal pushing during the second stage of labor and birth outcomes. Knowing before delivery which parameters are suggestive of possible dystocia would allow the clinician to adopt therapeutic strategies aimed at resolving them and thus increase the rate of spontaneous vaginal deliveries. The investigators want to evaluate the role of an ultrasound parameter obtained by transabdominal ultrasound in the second stage of labor, the occiput-column angle, in predicting spontaneous delivery vaginally in fetuses with transverse occiput

Key facts

Study ID

NCT06806904

Run by

IRCCS Azienda Ospedaliero-Universitaria di Bologna

People needed

116

Starts

2021-08-31

Expected to finish

2028-12-31

Last updated by the study team

2025-02-04

Who can join

Age: 18 and older, up to 44. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Women aged >= 18 years
• Single pregnancy at term (37-42 gestational weeks)
• Fetus in cephalic presentation and in expulsive period (complete cervical dilatation and premature sensation)
• Acquisition of informed consent form

You may not qualify if…

• Placenta previa
• Uterine malformations
• Previous uterine surgery
• Cardiotocographic tracing (CTG) abnormalities
• Any contraindication to vaginal delivery

Where it is running

• IRCCS Azienda Ospedaliero-Universitaria di Bologna — Bologna, Bologna, Italy (enrolling)

Full record on ClinicalTrials.gov

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