Student Nurse Laura

Orem – "creative effort of one human being to help another human being."

Bishop Score

Posted by Laura on March 23, 2010

The bishop score is a scoring given to women to determine their favorable condition for chemically augmenting their cervical ripeness for induction of labor.

(available at: http://www.freewarepocketpc.net/ppc-tag-score-2-date.html)
Though there are 5 items looked at –

  • Cervical Consistency  is measured on a scale of firmness from firm to soft.  The softer the cervix is, the better the chance of vaginal delivery.
  • Cervical Position refers to the positioning of the cervix.  If the cervix faces front (anterior) it is more favorable, while posterior is less favorable. 
  • Cervical Effacement refers to the softening and thinning of the cervix.  You won’t feel this happening;  it may only be measure with a vaginal exam.  Effacement is measured in percent.  When your cervix is normal, it is considered to be 0% effaced.  When you’re 50% effaced, your cervix is half its original thickness.  When your cervix is 100% effaced it is completely thinned out and you are ready for vaginal delivery.
  • Cervical Dilation is measured in centimeters, from 0 to 10.  Your cervix is fully open and you should be able to push when it is dilated to 10 centimeters.  Occasionally, a physician will measure dilation in “fingers.”  Dilation often begins days or weeks before labor actually begins.  At first, the progress may be very slow.  Some women may be dilated 2 to 3 centimeters long before labor.  Once active labor begins, you will begin to dilate more quickly.
  • Cervical Station is a term used to describe the descent of the baby into the pelvis.  An imaginary line is drawn between the two bones in the pelvis (known as ischial spines).  This is the “zero” line, and when the baby reaches this line it is considered to be in “zero station.”  When the baby is above this imaginary line it is in a minus station.  When the baby is below, it is in a “plus” station.  Stations are measured from -5 at the pelvic inlet to +4 at the pelvic outlet.

 mnemonic –   CPEDS

– two of these items, Cervical Consistency and Cervical Position, are only scored from 0-2

Bishop's Score Readiness

 

There are modifiers to the scale which includes adding and deleting points dependent upon preexisting conditions and timeline of parity.

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