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Abstract Background: A crucial part of a caesarean section involves closing the uterine incision, hence it is crucial to use the best surgical method possible to do so. This method ought to be resilient to the pressure of following labour. Objective: Assessment of the effect of single versus double layer closure of caesarean scar on the residual myometrial thickness on the short & intermediate term. Methods: This clinical trial was performed on 60 primigravidae (30 in single layer group and 30 in double layer group) with full-term pregnancies that had CD and performed an evaluation of uterine scar after 3 months of delivery by saline infusion sonography (SIS). Results: No statistically significant differences were noted between both groups regarding hemoglobin drop, the studied patients’ blood loss, procedure time, blood transfusion, and postoperative complications. However, the mean thickness of the residual myometrium covering the defect after a double-layer closure was significantly lower, compared to a single-layer closure, (4.70 ± 0.95 versus 5.30 ± 1.15, respectively, P =0.032). Conclusion: The residual myometrial thickness was significantly higher among the single-layer group, so, we recommend that single-layer unlocked closure to be used, as it is associated with better uterine scar healing and higher RMT than double layer. |