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Table 2 Clinical management for lactate results in the CTG + lactate group

From: Protocol for a randomised controlled trial of fetal scalp blood lactate measurement to reduce caesarean sections during labour: the Flamingo trial [ACTRN12611000172909]

Lactate (mmol/L) Action
<4.0 mmol/L Repeat FBS in 1 hour if the FHR abnormality persists
4.0-4.8 mmol/L Repeat FBS within 30 minutes or consider expediting the birth if rapid rise since last sample
>4.8 mmol/L Urgent delivery indicated