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46.Association Between Ultrasonographically Measured Lower Uterine Segment Scar Thickness and Obstetric Outcome in Women with Previous Caesarean
Syeda Sitwat Fatima1, Shahida Sultan1 and Amna Fareed2
ABSTRACT
Objective: To assess the association between ultrasonographically measured lower uterine segment scar thickness and obstetric outcome in women with previous one caesarean section.
Study Design: A prospective observational study
Place and Duration of Study: This study was conducted at the department of obstetrics and gynecology, Lady Reading Hospital, Peshawar, from June 2021 to December 2021.
Materials and Methods: On a well-organized proforma, we entered all the important data. To measure the thickness of the lower uterine segment scar (LUS), trans-abdominal sonography was performed for all the enrolled women. For data analysis, data were input into SPSS version 20.
Results: In the current study, totally 120 participants were enrolled. Based on Scar Thickness, 24 (20%) patients has Scar Thickness of 2.5-3mm, 12 (10%) had 3.1-5mm scar thickness whereas 84 (70%) patients had scar thickness of ˃5mm. Based on the association between the lower uterine segment scar thickness and mode of delivery, significant association was observed (p=0.001). Significant association was observed between the scar status at the time of delivery and LUS thickness (p=0.001).
Conclusion: According to the findings of our research, prenatal evaluation of the lower uterine segment in women who have had prior cesarean sections is a valid technique for selecting women who should be given a chance to try labor. Our research has shown that a LUS thickness of 3.1-5mmmm at 38–40 weeks of gestation is linked to a higher likelihood of a successful VBAC.
Key Words: Ultrasonography; Lower uterine segment scar; Obstetric outcome; Women