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What is the Bishop Scoring System?
- Evaluates the cervical response to induction procedures.
-A higher score (above 6) is predictive of successful labor induction
because the cervix has ripened or softened in preparation for labor.
What are indications for labor induction?
-Gestational Hypertension
-Ruptured membranes without spontaneous onset of labor
-Infection within the uterus
-Medical problems in the woman that worsen during pregnancy
-Fetal problems such as slowed growth, prolonged pregnancy, or
incompatibility between fetal and maternal blood types
-Placental Insufficiency
-Fetal death
,What are contraindications to labor induction?
-Placenta previa
-Umbilical cord prolapse
-Abnormal fetal presentation
-High station of the fetus
-Active herpes infection in the birth canal
-Abnormal size or structure of the mother's pelvis
-Previous classic cesarean incision
Pharmacological Methods to Stimulate Contractions- Cervical Ripening-
-Porstaglandin in a gel or vaginal insert is applied before labor
induction to soften the cervix.
-Laminaria is an alternative to cervical ripening by swelling inside the
cervix
Pharmacological Methods to Stimulate Contractions- Oxytocin induction
and the augmentation of labor-
-Used to initiate or stimulate contractions
-Most commonly used method
Pharmacological Methods to Stimulate Contractions- Prostaglandin E1:
Cytotec (Misoprostol)
-Administer PO (buccal/sublingual) or
intravaginally
- More effective in achieving vaginal delivery within 24 hours
-Adverse effect: uterine tachysystole (hyperstimulation)
, Pharmacological Methods to Stimulate Contractions- Prostaglandin E2:
Prepidil or Cervidil
-Administer intravaginally, sustained release
Preparing the woman for labor augmentation.
- Explain procedure to woman
-Obtain baseline vital signs and fetal heart rate.
-Ensure IV line is placed (in case emergency)
-Remains in bed for up to 2 hours.
-Oxctocin induction can start 6-12 hours after vaginal insert has been
removed.
-Assess for signs of uterine tachysystole (hyperstimulate)
List some way for dilating the cervix.
-RU486 (Mifepristone): steroid receptor agonist use for early
pregnancy termination (use if fetal demise)
-Stripping amniotic membranes