Abstract: Background: Each pregnancy's straightforward goal is to deliver a healthy baby to a healthy mother. Prolonged second stages of labour have been linked to poor mother and neonatal outcomes. The gold standard for diagnosing head descent clinically is still a digital transvaginal examination. Head station is based on the relationship between the ischial spine and the leading edge of the foetal head in the maternal pelvis. The intrapartum transperineal ultrasonography is a safe method for determining the position of the foetal head and for anticipating the course of the delivery. It is very useful in analyzing phenomena connected to the transit of the foetus through the birth canal.
Aims: This study's objective is to assess the effectiveness of intrapartum transperineal ultrasound in predicting the kind of birth and length of the second stage of labour by assessing parameters for the Angel of Progression and Head Perineum Distance.
Patients and Methods: Cross-sectional prospective research is the study's design. At Tanta University Hospitals' Department of Obstetrics inpatient ward, 65 primigravida women participated in the study. commenced in August 2021 and concluded in August 2022.
Results: According to our findings, there was a positive highly statistically significant correlation between AOP and vaginal delivery patients compared to CS delivery patients, while there was a negative highly statistically significant correlation between HPD and vaginal delivery patients compared to CS delivery patients. A positive highly statistically significant association was found between the length of the second stage and the HPD, while a negative highly statistically significant correlation was found between the length of the second stage and the angle of progression.
Conclusion: Intrapartum ultrasound has been used to measure a number of characteristics, including the angle of progression (AOP) and head-perineum distance (HPD). The manner of delivery and length of pushing can be predicted with the help of an ultrasound conducted at the start of the active second stage of labour.
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