Transvaginal sonographic measurement of cervical length to predict preterm birth in asymptomatic women at increased risk: a systematic review

Crane, Joan; Hutchens, Donna

doi:10.1002/uog.5323

Cited by 228 publications

(180 citation statements)

References 52 publications

(54 reference statements)

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“…3,6,9,10,11,13, 16 Also, in terms of treatment, progesterone therapy has been identified as the most effective intervention. 38-42 However, some studies including a systematic review at the end of the 1980s 17 have concluded that progesterone products are not effective for the management of preterm labor.…”

Section: Discussionmentioning

confidence: 99%

“…13 Several indicators can help to predict preterm labor 3 but most studies have shown that the most powerful predictors of Progesterone therapy for the prevention of preterm labor in women with single risk-factor: a systematic review and meta-analysis preterm labor are the history of previous preterm labor and short cervix length. 3,6,10,12,13, 16 Various studies have shown that the risk of preterm labor in women with a previous history is at least 2.5 times more than that of women without previous preterm labor and this rate increases as the number of previous preterm labor increases.…”

Section: -17mentioning

confidence: 99%

See 1 more Smart Citation

Progesterone Therapy for the Prevention of Preterm Labor in Women with Single Risk-factor: A Systematic Review and Meta-analysis

Ara¹,

Bahrami

Bahrami³

et al. 2016

Bali Med J.

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Background: Preterm labor is a common complication of pregnancy which has become a main health concern around the world due to its negative consequences. Objective: To investigate the efficacy of progesterone therapy in the prevention of preterm labor in women with single risk factor. Search strategy: A PubMed, Cochrane Central Register of Controlled Trials, ClinicalTrials.gov, Science Direct, Scopus, OVID, EMBASE, SID, Magiran and Google Scholar search (date last searched April 2016) without any time, language and location restriction was done. Inclusion criteria: All randomized clinical trials of singleton pregnancies with single risk factor (prior preterm labor without short cervical length or short cervical length without prior preterm labor) which were randomized to progesterone and control groups were included in our meta-analysis. Primary outcome: Our primary outcome was gestational age at delivery. Results: 13 studies (1259 subjects and 2653 control women) were included in the meta-analysis. Using random effect model showed that mean gestational age at delivery of progesterone group is 0.74 (0.41-1.06) month longer than that of control group with CI=95% which is significant statically. Conclusions: Progesterone therapy is an effective intervention for the prevention of preterm labor in women with single risk factor.

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Section: Discussionmentioning

confidence: 99%

Section: -17mentioning

confidence: 99%

Progesterone Therapy for the Prevention of Preterm Labor in Women with Single Risk-factor: A Systematic Review and Meta-analysis

Ara¹,

Bahrami

Bahrami³

et al. 2016

Bali Med J.

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“…The utility of transvaginal cervix length measurement for assessing the risk of preterm birth has been well documented in a structured analysis of 14 trials that included a total of 2258 pregnant women (12). The accepted cutoff value for cervix length is ≤ 25 before GW 24 (OR 2.76, 95% CI 2.41-3.17).…”

Section: Cervix Length Measurement By Transvaginal Ultrasonographymentioning

confidence: 99%

The Prevention, Diagnosis and Treatment of Premature Labor

Schleußner¹

2013

Deutsches Ärzteblatt International

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“…[16][17][18][19] Cervical length measured by transvaginal ultrasonography has been shown to predict preterm birth in these asymptomatic high-risk women. 13,[20][21][22][23][24][25][26][27][28] Some studies have suggested that cervical length shortening by transvaginal ultrasonography may further increase the risk of preterm birth, 26,[29][30][31][32][33][34] whereas other studies have not noted this association. [35][36][37] There is a limited information regarding the benefit of follow-up cervical length ultrasound in high-risk asymptomatic women found to have a short cervical length.…”

Section: Introductionmentioning

confidence: 99%

Follow-up cervical length in asymptomatic high-risk women and the risk of spontaneous preterm birth

Crane

Hutchens

2010

J Perinatol

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Objective: To determine whether further cervical length shortening by transvaginal ultrasonography in asymptomatic high-risk women with a short cervical length adds additional predictive value for spontaneous preterm birth and perinatal morbidity.Study Design: Women with a history of spontaneous preterm birth, loop electrosurgical excision procedure, cone biopsy or uterine anomaly, who were pregnant with singleton gestations and were found by transvaginal ultrasonography to have a cervical length <3.0 cm at 20 to 28 weeks' gestation, and who underwent a follow-up cervical length within 3 weeks were evaluated, comparing those with further cervical length shortening (>10%) to those without further shortening. Primary outcomes were spontaneous preterm birth <35 weeks' gestation and perinatal morbidity. Secondary outcomes included spontaneous preterm birth <37 weeks, <34 weeks, <32 weeks, birth weight <2500 g, maternal and other neonatal outcomes.Result: Compared with women without further cervical shortening, those with further shortening were found by univariate analyses to have higher rates of spontaneous preterm birth <35 weeks (34.8 versus 8.5%, P ¼ 0.014), <37 weeks (56.5 versus 21.3%, P ¼ 0.003), <34 weeks (30.4 versus 2.1%, P ¼ 0.001), <32 weeks (21.7 versus 0%, P ¼ 0.003), birth weight <2500 g (60.9 versus 17.0%, P<0.0001), neonatal intensive care unit admission (47.8 versus 17.0%, P ¼ 0.006) and composite perinatal morbidity (43.5 versus 14.9%, P ¼ 0.009). Logistic regression revealed the only independent predictors of spontaneous preterm birth <35 weeks were further cervical length shortening (adjusted odds ratio (aOR) 5.73; 95% confidence interval (CI) 1.31 to 24.43) and gestational age at short cervical length (aOR 0.95; 95% CI 0.91 to 0.99). Conclusion:Further cervical length shortening in asymptomatic high-risk women with a short cervical length is an important independent predictor of spontaneous preterm birth <35 weeks and perinatal morbidity.

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Transvaginal sonographic measurement of cervical length to predict preterm birth in asymptomatic women at increased risk: a systematic review

Cited by 228 publications

References 52 publications

Progesterone Therapy for the Prevention of Preterm Labor in Women with Single Risk-factor: A Systematic Review and Meta-analysis

Progesterone Therapy for the Prevention of Preterm Labor in Women with Single Risk-factor: A Systematic Review and Meta-analysis

The Prevention, Diagnosis and Treatment of Premature Labor

Follow-up cervical length in asymptomatic high-risk women and the risk of spontaneous preterm birth

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