Incidence, management and outcome of women requiring massive transfusion after childbirth in the Netherlands: secondary analysis of a nationwide cohort study between 2004 and 2006

Table 2 Characteristics of pregnancy and birth

	N	(%)	General pregnant population in the Netherlands (%)
Gestational age
Preterm (<37 weeks);	86	(26)	(5.8)^b
20–24 weeks	6	(2)	N/A
24–32 weeks	18	(5)	N/A
32–37 weeks	62	(19)	N/A
Full Term	241	(74)	(94.2)^b
Mode of delivery ^c
Vaginal	131	(40)	(78.4)^b
Instrumental	43	(13)	(8.6)^b
Cesarean Section;	151	(46)	(13.0)^b
Elective	46	(14)	N/A
Emergency	105	(32)	N/A
Induction of labour	100	(31)	(12.5)^b
Multiple pregnancy	37	(11)	(1.7)^a
Preeclampsia during pregnancy	54	(17)	(4) [19]

N/A data not available
^aNational reference values from Statistics Netherlands (exact study period) [16]
^bNational reference values from the Netherlands Perinatal Registry (LVR-2, 2005) [17]
^cIn case of multiple births were the mode of delivery differed between the neonates, the mode of delivery refers to the most invasive mode

ISSN: 1471-2393