Continuous electronic fetal
monitoring in labour by cardio-tocography (CTG) is now the accepted standard for intra-partum fetal monitoring in women with additional risk factors.
Compared to intermittent auscultation, CTG is associated with:
1. A halving of the risk of neonatal seizures.
2. A significant increase in the risk of caesarean section (relative risk 1.66; 1.30 – 2.13)
3. A significant increase in the risk of instrumental delivery (relative risk 1.16; 1.01 – 1.32)
4. No significant difference in overall perinatal death rate
5. No significant difference in the risk of cerebral palsy
These results remain true for low-risk, high-risk and preterm pregnancies and were unaffected by access to fetal blood sampling.
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