Abstract

Objective To investigates the clinical value of transvaginal ultrasound in detecting muscle layer thickness of uterine scar in early re-pregnancy after cesarean section.Methods By using transvaginal ultrasound,muscle thickness of uterine scar in early pregnancy were measured to assess the uterine scar healing of 124 secundigravida after cesarean section in our hospital from January 2012 to December 2013.Uterine scar healing degree in early period was assessed and then uterine scar healing after cesarean delivery or vaginal delivery was assessed again.Clinical compliance rates were counted by measuring the scars muscular thickness in early pregnancy as control group.Results In the 124 cases of the study group,113 cases were cesarean delivery,11 cases were spontaneous vaginal delivery.The result of assessing uterine scar healing degree in early pregnancy:32 cases were grade Ⅰ healing,clinical compliance rate was 100%; 68 cases were grade Ⅱ] healing,clinical compliance rate was 94.12%; 24 cases were grade Ⅲ healing,clinical compliance rate was 95.83%; no complete uterine rupture found.In the 50 cases of the control group,class Ⅰ healing compliance rate was 65.38%,class Ⅱhealing compliance rate was 77.27%,class Ⅲ healing compliance rate was 50%.Conclusion The uterine scar healing degree can be assessed with higher accuracy by measuring the thickness of the uterine scar myometrium in early second pregnancy after cesarean.It provides a strong basis for the obstetrician in guiding prenatal care for pregnant women,predicts the risk of uterine rupture in late pregnancy with uterine scar,and suggests the way of delivery,thus reduces the rate of cesarean again. Key words: Transvaginal ultrasound; Early re-pregnancy after cesarean section; Late pregnancy after cesarean; Muscle thickness of uterine scar; Degree of uterine scar healing

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