Table 4.

Lactate levels > 5.0 mmol/L Vs AF visibility for detection of spontaneous onset of labor within 24 and 48 h

S. no.	Time of onset of labor	Lactate level	AF visible (n = 51)
		>5.0 mmol/L (n = 62)
1.	Within 24 h
	(n = 48)	42 of 48	32 of 48
	40.67 %	(87.50 %)	(66.7 %)
2.	Within 48 h
	(n = 63)	55 of 63	42 of 63
	53.38 %	(88.71 %)	(67.74 %)