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1.
Journal of Regional Anatomy and Operative Surgery ; (6): 449-452, 2016.
Article in Chinese | WPRIM | ID: wpr-500125

ABSTRACT

Objective To study the correlation of uterine segment thickness and time limits for patients with prior cesarean section. Methods A total of 80 women with the first pregnancy after cesarean section in our hospital from April 2013 to February 2015,according to the interval of cesarean section and second pregnancy,were divided into group A (18 cases,interval ≤3 years),group B (23 cases,an in-terval of 3 to 6 years),group C (27 cases,an interval of 7 to 9 years),and group D (12 cases,the interval ≥9 years).The uterine segment thickness and the success rate of vaginal trial production were compared.Surgical failures underwent vaginal trial production due to cesarean section were observed.Results The uterine segment thickness values of group A and group B in were respectively (5.93 ±0.34)mm and (5.45 ±0.27)mm,which were significantly higher than group C (3.24 ±0.52)mm and group D (2.83 ±0.56)mm,the difference was statistically significant (P <0.05).The vaginal trial production success rates of group A and group B were respectively 88.89% (16 /18) and 78.26% (18 /23),which were significantly higher than group C 44.44% (12 /27)and group D 33.33% (4 /12)(P <0.05).The dos-age of oxytocin of group A was (35.34 ±4.32)mL,blood loss was (256.32 ±34.21)mL, The oxytocin hormone dosage of group B was (37.09 ±4.52)mL,blood loss was (260.11 ±35.53)mL,which were lower than those in group C and group D (P <0.05).The postpartum hemorrhage rate of group A,group B and group C was respectively 0(0 /2),20.00% (1 /5),33.33% (5 /15)lower than group D 87.50%(7 /8)(P <0.05).Conclusion Maternal uterus at cesarean section within 7 years about the degree of recovery are in good condition,the higher uterine segment thickness,this time period is good for subsequent pregnancy and childbirth.

2.
Korean Journal of Obstetrics and Gynecology ; : 1332-1337, 2006.
Article in Korean | WPRIM | ID: wpr-46635

ABSTRACT

OBJECTIVE: The aim of this study was to evaluate the role of lower uterine segment thickness in predicting an actual delivery date and to determine the factors affecting the depth of lower uterine segment. METHODS: Sixty patients with singleton gestation were weekly measured for their lower uterine segment (LUS), cervical length, cervical gland thickness and AFI by ultrasonography from 36 weeks. The regression analysis was carried to find out the relevance between LUS and the remaining days to birth and Pearson correlation analysis was performed for relevance between LUS and other factors such as maternal age, parity, cervical length, cervical gland thickness, and AFI. RESULTS: LUS became thin as cervical length decreasing. However, the relevance between LUS and other factors such as age, parity, cervical gland thickness, and AFI was not found. While individual LUS thickness is decreasing as delivery date becomes closer, LUS thickness as a group is found not to be related with the delivery date. CONCLUSION: In term pregnancy, LUS thickness decreases with cervical change but it cannot predict the delivery date.


Subject(s)
Female , Humans , Pregnancy , Maternal Age , Parity , Parturition , Ultrasonography
3.
Korean Journal of Obstetrics and Gynecology ; : 1421-1426, 2006.
Article in Korean | WPRIM | ID: wpr-157893

ABSTRACT

OBJECTIVE: The aim of this study was to find out the relating factors with the actual delivery day in term singleton pregnancy. METHODS: The 52 patients with singleton gestation were visited weekly and measured for their lower uterine segment (LUS) thickness, cervical length and cervical gland thickness by transvaginal ultrasonography and for amnionic fluid index (AFI) by transabdominal ultrasonography from 36 weeks of gestation until birth. Regression analysis was used to find out the relevance between these factors and remaining days to birth. RESULTS: There was a significant relationship between cervical length and remaining days to birth in term pregnancy, which could be described as a mathematical equation (remaining days for delivery = 6.12 + 0.24 x cervical length (mm) r=0.29, p<0.01). However, no relationship was found between factors such as LUS, AFI, and cervical gland thickness and remaining days to birth. CONCLUSION: Our results suggest that the actual delivery day in term singleton pregnancy might be predicted with cervical length.


Subject(s)
Female , Humans , Pregnancy , Amnion , Amniotic Fluid , Parturition , Ultrasonography
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