Patient groups	N	GA (median days)	Median monocyte MHC class II expression % (IQR)
Term labour	33	282	93.9 (84.8 to 97.5)
Term elective Caesarean section	25	272	92.9 (86.8 to 96.7)
Fetocide	20	164	82.7 (75.6 to 89.4)
IUGR	13	201	86.7 (86.3 to 89.6)
PTL	42	186	80.8 (67 to 81.8)* ***
PPROM	48	191	64.6 (39.5 to 72.2) *

GA, gestational age; IQR, interquartile range; IUGR, intrauterine growth restriction; PPROM, prolonged pre-labour rupture of membranes; PTL, preterm labour. *p<0.05, **p<0.005 compared with fetocide, ***p<0.001 compared with term controls.