Sonographic measurement of cervical length and risk of preterm delivery

Aim:  To study the relationship between cervical lengths measured by ultrasound and risk of preterm delivery. Material & Methods:  We examined 209 women with singleton pregnancies. The inclusion criteria were women who presented with regular and painful contractions (≥2 contractions at intervals...

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Bibliographic Details
Published in:The journal of obstetrics and gynaecology research 2011-07, Vol.37 (7), p.809-814
Main Authors: Demirci, Oya, Ünal, Ayşegül, Demirci, Elif, Sözen, Hamdullah, Akdemir, Yeşim, Boybek, Esra, Ertekin, Aktuğ
Format: Article
Language:English
Subjects:
cervical length
Cervical Length Measurement
Cohort Studies
Diagnosis, Differential
Female
Humans
Incidence
Obstetric Labor, Premature - diagnosis
Obstetric Labor, Premature - epidemiology
Obstetric Labor, Premature - pathology
Obstetric Labor, Premature - therapy
Predictive Value of Tests
Pregnancy
Pregnancy Outcome
Pregnancy Trimester, Second
Pregnancy Trimester, Third
Premature Birth - diagnosis
Premature Birth - epidemiology
Premature Birth - pathology
Premature Birth - prevention & control
preterm delivery
preterm labor
Prospective Studies
Risk
Time Factors
tocolysis
Turkey - epidemiology
ultrasonography
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Summary:Aim:  To study the relationship between cervical lengths measured by ultrasound and risk of preterm delivery. Material & Methods:  We examined 209 women with singleton pregnancies. The inclusion criteria were women who presented with regular and painful contractions (≥2 contractions at intervals of 10 min for at least 1 h). Transvaginal scan was performed to measure the cervical length. The clinical management of the women, including hospitalization and administration of tocolytics, was determined by the attending obstetricians, who were blinded about cervical length. The primary outcome was delivery within 7 days of presentation. Results:  Delivery within 7 days of presentation occurred in 19/209 (9%) of pregnancies who were presenting with regular and painful uterine contraction at 31 weeks of gestation, and this was inversely related to cervical length. Logistic regression analysis demonstrated that cervical length and history of abortion remain as significant contributors to predicting delivery within 7 days. Of the patients who presented with threatened preterm labor, 117 (56%) received tocolytics, and 92 (44%) did not. In the group with a cervical length of
ISSN:1341-8076
1447-0756
DOI:10.1111/j.1447-0756.2010.01440.x