Cardiotocography (CTG) is the gold standard to assess the well being of the fetus during labor. However CTG trace interpretation remains a challenge :
- Up to 20 different classifications and guidelines co-exist
- A rate of 30% inter and intra observer variability is demonstrated
- Its 60-90 % false positive rate is responsible for a large number of unnecessary c-sections
- Missed fetal hypoxia has a huge human and insurance cost
- It represents 70% of litigations in obstetric