Detection of Pregnant Women at Risk of Cervical Incompetence by Transvaginal Sonography during Straining

Objective: To evaluate the ability of transvaginal sonography (TVS) undertaken, during straining to detect incompetent cervix in pregnant women at risk. Method; Forty‐seven pregnant women with risk factor(s) for cervical incompetence and 22 pregnant women (control) were evaluated for cervical change...

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Published in:The journal of obstetrics and gynaecology research 1997-08, Vol.23 (4), p.353-357
Main Authors: Sherif, Lotfy Sh, Shalan, Hesham M.
Format: Article
Language:English
Subjects:
Cervix Uteri - diagnostic imaging
Cervix Uteri - physiology
Cohort Studies
Female
Humans
incompetent cervix
Pregnancy
Pregnancy Complications - diagnostic imaging
Pregnancy Complications - etiology
Pregnancy Complications - prevention & control
Pressure
Reference Values
Risk Factors
straining
Transvaginal sonography
Ultrasonography, Prenatal - methods
Uterine Cervical Incompetence - diagnostic imaging
Uterine Cervical Incompetence - etiology
Uterine Cervical Incompetence - prevention & control
Valsalva Maneuver
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Summary:Objective: To evaluate the ability of transvaginal sonography (TVS) undertaken, during straining to detect incompetent cervix in pregnant women at risk. Method; Forty‐seven pregnant women with risk factor(s) for cervical incompetence and 22 pregnant women (control) were evaluated for cervical changes detected by TVS during rest, transfundal pressure and during the stress induced by straining. Results: The control group demonstrated no cervical changes. The changes were more significant during straining than with transfundal pressure. In the group with risk factor(s), 48.9% showed negative response and 51.1% demonstrated positive response. The pregnancy outcome was more favourable in the group with negative response (full term pregnancy 82.6% vs 70.8%, preterm delivery 13% vs 16.7% and pregnancy loss 4.4% vs 12.5%). Conclusion: TVS during straining can be applied as a stress test in women at risk for cervical incompetence.
ISSN:1341-8076
1447-0756
DOI:10.1111/j.1447-0756.1997.tb00857.x