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