Özet:

The purpose of this study is to decide whether a simple transvaginal sonographic examination in the 36-37th weeks of pregnancy is a determining factor for diagnosing surmaturity in nulliparous women. Methods: 75 primiparous singleton patients who had no fetal or maternal abnormalities were examined in the clinic and included in the study. Cervical length measurement was added to the routine ultrasonographic control. Patients were summoned for follow up exams according to the routine protocol. Postpartum data were compared to those gained by transvaginal sonographic cervical length measurements. Results: Cervical lengths of cases, gestation weeks, need for induction of labor and delivery types were compared. There were 43 (57 percent). 3) patients with a gestation week smaller than 41 weeks and 32 (%42.7) patients with a gestation week above 41 weeks. When delivery method was compared, 61.3 % of patients (n=46) gave birth by normal spontaneous delivery, 38.7 % of patients (n=29) gave birth by cesarean section. 46.7 % (n=35) of patients needed induction while 53.5 % (n=40) did not need induction. Patients with labor on time had a cervical length of 27.42+8.95 mm, surmature patients had a length of 34.03+7.92 mm. According to the time of gestation weeks there was a statistically significant difference among cervical lengths of patients (p<0.01). Surmature births had a significantly higher cervical length than births on time. Vaginal deliveries mean cervical length was 26.67+8.3 mm, and cesarean births mean value was 35.9+7.3 mm. According to delivery types, cervical length of cases had statistically significant p value (<0.01). Cesarean delivery cervical lengths were higher than vaginal delivery. Transvaginal sonographic cervical length measurement is a simple method can be used in the third trimester of pregnancy. As a result of our study, we decided that cervical length measurement can be used to predict postmaturity. Early diagnosis of surmaturity can be helpful for obstetricians for the management of pregnancy.

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