Table 3. Consequences of prenatal discordance between ultrasound and MRI.

	Concordance between ultrasound and MRI	Discordance between ultrasound and MRI	P
	n = 28	n = 13
DELIVERY			0.02
Vaginal delivery	1 (4%)	1 (8%)	0.53
Emergency C-section	11 (39%)	10 (77%)	0.04
Planned C-section	16 (57%)	2 (15%)	0.01
SURGICAL MANAGEMENT			0.056
Attempted placental delivery	8 (29%)	9 (69%)	0.01
Conservative management	14 (50%)	3 (23%)	NS
Cesarean hysterectomy	6 (21%)	1 (8%)	NS
TRANSFUSION
Number of blood transfusions	10 (36%)	7 (54%)	NS
Mean transfused blood volume (in units)	9.5	8	NS