Does third trimester cervical length predict duration of first stage of labor?

Lehner, G; Reif, P; Avian, Alexander; Kollmann, Markus; Lakovschek, IC; Lang, Uwe; Dirnagl, Ulrich

doi:10.1007/s00508-019-1527-0

Cited by 5 publications

(10 citation statements)

References 18 publications

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“…In the study performed by Lehner et al, they focused on the correlation between the cervical length and the duration of the first stage of labor. They mentioned that there was no correlation between the cervical length and the duration of labor, which might be reassuring to women with elongated cervices [11]. This was following our findings.…”

Section: Discussionsupporting

confidence: 89%

“…They also reported a continued decrease in cervical length as gestation advances. This is explained by the antenatal changes occurring in the cervix and during labor to accomplish complete dilatation, although independent of its length [11]. Induction of labor was required for about one-third of patients (45.45% nulliparous and 31.25% multiparous women), with 14.8% were due to postdate gestation.…”

Section: Discussionmentioning

confidence: 99%

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Antenatal cervical length measurement as a predictor of successful vaginal birth

Taha

Elprince

Atwa

et al. 2020

BMC Pregnancy Childbirth

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Background: Antenatal cervical length measurement has paramount importance in the prediction of labor. It was compared to the Bishop Score and incorporated in the modified Bishop score due to its relevance and convenience. It is a more accurate tool that imposes no harm or distress to the patients. The study aimed to evaluate the role of antenatal cervical length measurement in the prediction of a successful vaginal birth and its relation to the duration of labor. Methods: This was a prospective cohort study, conducted at the emergency ward of obstetrics and gynecology department. We recruited 162 women over 1 year from January 2018 to January 2019. Women eligible for the study had a transvaginal ultrasound for the examination of the cervical length before the onset of labor. The success of vaginal delivery was evaluated. Results: The mean cervical length (mm) was 43.3 ± 8.0. The majority of the patients labored spontaneously [102 (63.0%)] while the remaining ones required induction of labor due to different causes. One hundred and eight patients (66.7%) had a successful vaginal delivery. The cervical length was significantly shorter among patients who delivered vaginally than those delivered by CS (P-value < 0.001). Multiple factors had a significant role in the prediction of the mode of delivery (cervical length, BMI, the onset of labor, parity). Maternal body mass index and labor induction were associated with a prolonged duration of the active phase of labor. Conclusion: Antenatal cervical length measurement predicted the mode of delivery as well as the gestational age at which delivery ensued. It can be used in patients' counseling regarding the mode of delivery.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Antenatal cervical length measurement as a predictor of successful vaginal birth

Taha

Elprince

Atwa

et al. 2020

BMC Pregnancy Childbirth

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“…A study comparing selective cervical ligation with simple observation, but without determining whether and what risk factors were present, found no statistically significant difference between the two comparison groups. This result is similar to that of singleton pregnancies where routine cervical cerclage in all pregnancies without appropriate case selection has been found to offer no benefit [36][37][38][39][40].…”

Section: Cervical Cerclagesupporting

confidence: 78%

“…Ultrasound findings in combination with a history of preterm delivery, i.e. preterm delivery before 34 weeks in a previous pregnancy and cervical length in the current pregnancy below 25 mm as found in an ultrasound check before 24 weeks of pregnancy [36][37][38][39][40].…”

Section: Cervical Cerclagementioning

confidence: 99%

Cervical Length and Perinatal Outcome

Tsikouras,

Charmanidou,

Filiou

et al. 2023

Childbirth - Clinical Assessment, Methods, and Management [Working Title]

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Prematurity nowadays has taken on significant dimensions. It is a complex medical issue with socio-economic consequences. The estimation of cervical length, assessed during the second trimester of pregnancy, using transvaginal ultrasound, may help to reduce rates of prematurity. By predicting the risk of preterm birth and identifying women who are at high risk of preterm birth, certain practices could be implemented, such as the use of progesterone or cerclage placement. Nonetheless, it remains unsolved the question of certain strategies, such as the use of progesterone in pregnant women with shortened cervical lengths. This work examines the relationship of cervical length during pregnancy to the perinatal outcome.

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“…[17] Although cervical length measurement is not routinely recommended in the third trimester, [4] it can be used in patients with a short cervix and in estimating the mode or time of deliv-ery. [18] In our study, we aimed to compare cervical lengths measured using TA and TV ultrasound during three trimesters. Thus, we had the opportunity to investigate the effects of anatomic and positional changes related to pregnancy in the uterus and cervix on the ultrasound methods, separately in each trimester.…”

Section: Discussionmentioning

confidence: 99%

Investigation of transvaginal and transabdominal ultrasound and bladder fullness in the evaluation of cervical length in low-risk pregnant women

Çintesun¹

2021

Perinatal J

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Objective Cervical length is an important ultrasonographic marker used to predict cervical insufficiency and preterm labor. Our aim in this study was to compare TA and TV cervical lengths in three trimesters and to investigate the effect of bladder fullness on TA measurements. Methods This study was planned as a prospective cross-sectional study and low-risk pregnant women between 11–37 weeks who presented to the hospital were included in the study. The patients were divided into three groups according to their trimesters, and the cervical lengths of the patients were assessed first with TA and then TV ultrasound with a full bladder and then an empty bladder. Results The mean cervical length was 45.6±7.0 cm in first-trimester patients, 42.8±7.0 cm in second-trimester patients, and 41.0±8.5 cm in third-trimester patients. Although TV cervical length was longer in all three trimesters, no statistically significant difference was found between TV and TA ultrasound with a full bladder (p>0.05). When TA ultrasound with empty bladder and TV ultrasound were compared, the TV measurements were found to be statistically significantly longer in each trimester (p<0.05). It was shown that parity number, fetal presentation, and obesity did not affect TV or TA assessment with a full bladder (p>0.05). Conclusion TV and TA assessment with a full bladder were found similar in all three trimesters. TA ultrasound with a full bladder can be safely used for cervical length measurement in low-risk patients in every trimester.

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Does third trimester cervical length predict duration of first stage of labor?

Cited by 5 publications

References 18 publications

Antenatal cervical length measurement as a predictor of successful vaginal birth

Antenatal cervical length measurement as a predictor of successful vaginal birth

Cervical Length and Perinatal Outcome

Investigation of transvaginal and transabdominal ultrasound and bladder fullness in the evaluation of cervical length in low-risk pregnant women

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