Bishop Score Case Study

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Is the Bishop Score Being Used Appropriately? Background The Bishop score is a pelvic scoring system developed to make it easier to determine whether a multiparous woman was a suitable candidate for induction of pregnancy. Although the information in the Bishop score was known by many obstetricians for many years, Edward H. bishop is credited because he pulled the pieces together and formed an organized system accompanied by research and statistics to back up his findings. His paper is called the “Pelvic Scoring for Elective Induction”. In this paper, Bishop describes basic minimal requirements that must be met before any patient can be considered for elective induction of labor (1964). The basic requirements are as follows: Multiparity, …show more content…

Multiparity refers to a woman who has labored several children. The rationale for this requirement was that labor for nulliparous women is too unpredictable even when all odds are in the mothers favor. Bishop states that induction to nulliparous women brings little advantage to the obstetrician or the patient. He goes on to say that there a few advantages to be presented that justify induction of labor during the first pregnancy. Next basic requirement to be met is the woman must be 36 weeks or more pregnant and this is because of the unreliability of expected dates of delivery. This method reduces the chances of delivering a premature infant. Bishop states that no induction should be initiated until the pregnancy is within 3 weeks of term. A term baby was defined as 37-42 weeks at the time. Next, the infant must be in the vertex position, that is, head being the …show more content…

Figure 1. was taken directly from Bishop 's research paper to show how each category is scored (Bishop 1964). Dilation, for example, is scored based on the amount of centimeters that the woman has dilated. For example, 0 cm yielding a score of 0, 1-2 cm yielding a score of 1, and so on. The score range possible from this instrument is 0 to 13 points. The higher the score, the closer the mother is to the end of pregnancy. Bishop states that his experience has convinced him that the safest induction is achieved when the pelvic score totals 9 or more. He goes on to describe that there have been no failures in induction and the average duration of labor is less than 4 hours when induction is performed on a woman with a pelvic score of 9 or

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