Table 7.
Cardiotocography compared
| Variable | SOGC (Canadian) | ACOG (American) | NICE (British) | FIGO | RANZCOG (Australian) | GOGS (German) | CNGOF (French) |
|---|---|---|---|---|---|---|---|
| Fetal blood sampling | pH≥7.25 Lactate<4.2 mmol/L Normal Repeat in 30 min if abnormality persists |
Normal Lactate≤4.1 mmol/L pH≥7.25 |
pH≥7.25—repeated after 30 min if abnormality persists | ||||
| pH=7.21–7.24 Lactate=4.2–4.8 mmol/L Borderline Repeat within 30 min or consider delivery if significant fall in pH or rise in lactate |
Borderline Lactate=4.2–4.8 mmol/L pH=7.21–7.24 |
pH=7.21–7.24—repeat in 30 min or rapid delivery | |||||
| pH≤7.20 Lactate>4.8 mmol/L Abnormal Delivery indicated |
Abnormal Lactate≥4.9 mmol/L pH≤7.20 |
pH≤7.20 pCO2>65 mm Hg BE greater than −9.8, quick delivery indicated |
ACOG, American College of Obstetricians and Gynecologists; CNGOF, National College of French Gynaecologists and Obstetricians; DGGG, German Society and Gynecology and Obstetrics; FIGO, Federation of Gynecology and Obstetrics; NICE, National Institute for Health and Care Excellence; RANZCOG, Royal Australian and New Zealand College of Obstetricians and Gynaecologists; SOGC, Society of Obstetricians and Gynaecologists of Canada.
Color codes
Mohan. Electronic intrapartum fetal monitoring. Am J Obstet Gynecol Glob Rep 2021.