الفهرس 
Evaluation the cervix for preterm labor
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Abstract
Type of the Study:
CvTfJ - .k.Lh~” Prospective clinical and ultrasonographic study.
Aim of the WOI-k:
• To correlate transabdominal, transvaginal and trauspcrincal ultrasonography in the assessment of cervical length in gravid women ott high risk of prcterm labour.
• To assess the value of the three techniques In prediction of prctcrm labour.
Setup:
The Department of Obstetrics lind G) neco logy in Ben h •• U n Ivers it)’ Ho-spital.
Date of the Stud)’:
from September 21104 until November 2005
Sixty pregnant women, 2.4 to 35 weeks gestation at high risk of
pretenn labour se leeted from those who experienced a previous one or more pretcrm deli v ’ery <deli wry before J7 weeks gestation), one
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or more midtrimestcr abortion, or having signs of increased uterine activity,
Merhods:
AlI pat] cuts selected were examined by transabdorn inal, transpcrineal and transvaginal sonography for the presence {I l’ cervical length shorten ing, internal cs Iunnc ling and dynamic cervical changes either spontaneous or ind uced.
Cervix was visualized III 5 I {N5 (f/o J patients us ing transabdominal (TA) soncgrapby, In 56 (93%) patients by transperi neal (TP) sonography, and in all (I OfY%) patients by transvaginal (TV) sonography,
Cervical funnel could be detected by transvaginal sonography III R patients, in 7 by ’rp sonograpl I~’ and in on 11’ ~ by T A sonography.
Spontaneous dynarn ie cervical changes were recorded in 5 patients with TV sonogruphy. However. they could not be visualized in any patient using TA and TP techniques.
The transperineal approach, which j 5 more tolerable and preferable to the patients, than endovaginal sonography, can be also used in patients in whom any yaginal procedure may be of questionable safety, such as after rupture of the rnem bruues or in patients with active vaginal bleeding and suspected placenta praevia,
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Summary & Renmrme”Jalro”s
Also, transpcrincal scanning can be done using the same: 3.5 to 55Ml.lz transducer as used for transabdominal scanning, thus avoiding deep pelvic manipulation of TV ultrasound which may cause uterine irri tubility.
The mean cervical lengths measured by TA, T1’ and TV techniques in 21 patient:’> who delivered preterm babi es were significantly shorter than tim! measured inpatients who del ivered at term. The statistical difference was significant with TA approach, was more significant using TP approach, and was highly significant using TV approach.
It appears that actually the short cervical length of patients with cervical funneling was the predictor of preterrn birth rather I han the funneling itself Dynamic cervical changes could be used as a predictor for prctcrm birth regardless of a short cervical length.
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