الفهرس 
Anatomy of the CervixOnly 14 pages are availabe for public view
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Abstract
Traditionally pre induction cervical assessment is based on the digital examination of the cervix and evaluation of several variants, originally proposed by Bishop.
The advantage of the Bishop score is that it can evaluate parameters such as consistency or station that may influence the out come.
A low Bishop score prior to labor induction has been associated with failure of induction, prolonged labor and a high rate of cesarean delivery.
Also the Bishop Score does not require any special equipment, however its evaluation remain a matter of controversy depending on the differences in the clinical senses of the examinations.
Transvaginal sonographic measurement of the cervical length has been reported as a method which can predict labor induction out come.
Transvaginal ultrasonography is likely more objective than the Bishop score and has been shown to have reduced intra- and inter observer variability.
The current study was done in Ain Shams University Hospital and included 60 pregnant women admitted for premature rupture of membranes.
The 60 women were tested for calculation of cervical condition according to the Bishop score and measurement of cervical length by T. V. S before starting labor induction, which was done using oxytocin drips.
The current research also investigated, internal os diameter showed no significance difference.
The current study used the cut off values of a Bishop score ≤ 4 and a cervical length > 30 mm to predict successful labor induction and concluded that 84.4% of patient with cervical score more than 4 have N.V.D and about 92% of women with cervical length less than or equal 3 have N.V.D and women with cervical length less than 3 and Bishop score more than 4 need lower amount of oxytocin used for induction compared to women with Bishop score less than 4 and cervical length more than 3 .
The present study showed highly significant correlations between cervical length, Bishop score and duration of labor.
It also showed that both Bishop score and cervical length were good predictor for the mode of delivery but Bishop score is more in prediction than cervical length.