Abstract
Background The present study aims to determine the influence of the number of previous cesarean section (CS) on the lower uterine segment (LUS). Patients and methods The study included 200 pregnant women divided equally into four groups: group I included 50 women with one previous CS, group II included 50 women with two previous CS, group III included 50 women with three previous CS, and group IV included 50 women with no previous uterine operation as a control group. The women studied were subjected to the following: a careful assessment of history, a thorough clinical and obstetrical examination, and ultrasonographic assessment of the LUS below, at, and above the CS scar to evaluate thickness. Results The results showed that women with previous CSs have significantly thinner LUS compared with the group of pregnant women without scars. With increasing numbers of previous CSs, the LUS thickness decreases, but the difference is not statistically significant. Conclusion Women with more CR had thinner LUS scars and more scar defects.
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