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11 Cards in this Set
- Front
- Back
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What is the incidence of induction of labour?
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varies
~15-20% |
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List indications for induction of labour
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Post-term pregnancy
PROM GHTN Twins GDM FGR Stillbirth Oligohydramnios Non-reassuring fetal status PPROM Infection LGA/macrosomia Maternal medical condition |
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List Risks of labour induction
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Failure
Cascading intervention Hyperstimulation Uterine rupture Water intoxication |
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List contraindications for labour induction
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Uterine rupture
Previous classical C/S Previous full-thickness uterine incision Active genital HSV Cervical cancer Abnormal FHR/non-reassuring fetal status Cord prolapse Transverse lie Vasa/Placenta Previa |
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What Bishop score has shown to result in a rate of VD similar for induced versus spontaneous labours?
What constitutes an unfavourable Bishop's score in most studies? |
>= 9
<=6 |
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Define tachysystole
Define hypertonus |
a) > 5 cxn's per 10min
b) cxn > 120s |
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What agents can be administered to stop hyperstimulation?
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terbutiline 250ug sc or IV
nitroglycerine 50-200ug IV or 1-2 sprays sl |
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List (relative) contraindications to vaginal prostaglandins
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prior uterine scar/rupture
oligohydramnios sensitivity non-reassuring fetal status severe asthma (PGE2) |
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According to SOGC, list prerequisites for labour induction.
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Indication
Contraindications GA Bishop's Score maternal pelvis fetal size fetal presentation membrane status fetal wellbeing discuss PRACS with patient |
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List changes to the cervix that occurs with "ripening"
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collagen breakdown
inflammatory mediators inflammatory cells infiltrate |
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What methods exist for cervical ripening?
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Prostaglandins
Misoprostol (PGE1) Dinoprostone (PGE2) insert Dinoprostone (PGE2) gel Mechanical foley, CRB laminaria tents Oxytocin Amniotomy Membrane sweeping |
