IOL limitations-
Explaining IOL
Decision making
Risks of IOL at 42 vs 39 weeks
Inc risk of CS w IOL
Higher risk of NNU admission and pernatal death
Risks of IOL at 41 vs 42 weeks
Same outcomes for:
- Maternal and perinatal death
- Mec aspiration
- HIE
- Instrumental
Higher risk-
CS
NNU admission
Stillbirth
Hence explain to pt the higher risk to cont pregnancy past 42 weeks
Ethnicity stillbirth risks
Black- 2x higher risk
Asian- 50% higher risk
Declining IOL at 42 weeks
Weekly USS for AFI
Twice weekly CTG- only a snapshot, cannot predict outcome
Explain all the risks
Pt to contact MW if they change their mind
PROM IOL
<37 weeks- conservative, IOL at 37w
>34 weeks +GBS- immediate IOL
> 37 weeks, no GBS- Expectant for 24h, then IV abx and IOL
VBAC IOL
Womens choice for CS/IOL
FGR
Macrosomia mx
Expectant vs IOL
- IOL reduced risk of SD to expectant
- IOL inc risk of 3rd/4th deg tear
- Perinatal death, BPI and EmCS- same for both
IU fetal death
Sweeps
From 39 weeks
Verbal consent
Risk of pain and bleeding
Can have >1
Methods of IOL
If BS>6- ARM
Forms of IOL NOT SUPPORTED (pharmacological)
Oral/IV/ extra amniotic/ intra-cervical dinoprostone, IV oxytocin alone, Hyaluronidase, steroids, oestrogen, relaxin, Mife
Forms of IOL NOT SUPPORTED (Non- pharmacological)
Herbal supp, acupuncture, homeopathy, castor oil, hot bath, enema, intercourse
Assessment before IOL-
Assessment during IOL
In labour
Analgesia- IOL can be more painful
OP IOL if low risk- LGA/PD
Pt to call if:
Contractions, SROM, bleeding, RFM
Unsuccessful IOL
Discuss options
Rest and reassess
Other options for IOL
CS