Cervical length assessment in twin pregnancies using transvaginal ultrasound

Ong, Stephen; Smith, Anne; Smith, Norman D.; Campbell, Doris M.; Wilson, Amanda

doi:10.1080/00016340009169214

Cited by 7 publications

(9 citation statements)

References 4 publications

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“…They also found no correlation between relaxin and cervical length, thus suggesting that relaxin does not contribute to the higher risk for preterm birth in twin gestations. Different conclusions reported Ong et al, 57 who found that cervical measurements were not predictive of preterm delivery in twins. Only a cervical length of less than 20 mm was predictive of delivery within one week.…”

Section: Sonography Of the Cervix In Multiple Pregnanciescontrasting

confidence: 37%

Screening for Preterm Labor

Benardis¹

2008

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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Section: Sonography Of the Cervix In Multiple Pregnanciescontrasting

confidence: 37%

Screening for Preterm Labor

Benardis¹

2008

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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“…The predictive role of rate of change in cervical length as a predictor of spontaneous preterm delivery has been assessed to a limited degree in singleton pregnancies12. It has not previously been evaluated in twin pregnancies although a longitudinal series of cervical length measurements in twin pregnancies has been described13. The similarity of average weekly cervical change rates for those delivering preterm and at term may have inhibited closer review of the data in that study.…”

Section: Discussionmentioning

confidence: 99%

Prediction of preterm delivery in twin pregnancy: a prospective, observational study of cervical length and fetal fibronectin testing

Gibson

Macara

Owen

et al. 2004

Ultrasound in Obstet & Gyne

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“…They observed that a cervical length of 30 mm or less and cervical funnelling before 26 weeks were independently associated with preterm birth before 32 weeks (Yang et al, 2000). Only one study concluded that cervical length measurements were not predictive for preterm birth before 35 weeks of gestation (Ong et al, 2000). Summarizing experimental and clinical evidence, not all reasons for preterm delivery are associated with shortening of the cervix.…”

Section: Discussionmentioning

confidence: 99%

Prediction of Spontaneous Preterm Delivery in Twin Pregnancies By Cervical Length at Mid-Gestation

et al. 2008

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The objective of our study was to evaluate the correlation of the cervical length at 20–25 weeks of gestation with the incidence of spontaneous preterm delivery in twins in a country with a high incidence of preterm delivery compared to other European countries. Cervical length was measured in 262 consecutive patients. Previous preterm delivery before 34 weeks of gestation, chorionicity, maternal age, body-mass-index, smoking habit and parity were recorded as risk factors for preterm delivery. Women who were symptomatic at 20–25 weeks and who delivered because of other reasons than spontaneous labour and preterm rupture of membranes or at term were excluded. The primary outcome was incidence of preterm birth before 34 weeks. Two hundred and twenty-three patients were analyzed. Thirty-two (14%) delivered before 34 weeks. There was a significant correlation between cervical length of less than 25 mm and spontaneous delivery before 34 weeks (50% vs. 13%,p= .007). In addition, logistic regression analysis found cervical length to be the only significant predictor of spontaneous delivery before 34 weeks (OR 1.084; 95% CI 1.015; 1.159;p= .017). We conclude that the risk of severe preterm delivery in twins is high. Cervical length at mid-gestation was the only predictor of delivery before 34 weeks.

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Cervical length assessment in twin pregnancies using transvaginal ultrasound

Cited by 7 publications

References 4 publications

Screening for Preterm Labor

Screening for Preterm Labor

Prediction of preterm delivery in twin pregnancy: a prospective, observational study of cervical length and fetal fibronectin testing

Prediction of Spontaneous Preterm Delivery in Twin Pregnancies By Cervical Length at Mid-Gestation

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