Factors Associated with Placenta Praevia in Primigravidas and Its Pregnancy Outcome

Table 3

Obstetric data in women with major placenta praevia.

	Primigravida; = 56	Nonprimigravida; = 187	value
Gestation at admission (weeks)	31.68 ± 4.49	32.92 ± 3.55	0.033^a
History of antepartum haemorrhage (%)	26 (46.4)	81 (43.3)	0.681^b
Received dexamethasone (%)	19 (33.9)	77 (43.3)	0.330^b
Type of placenta praevia (%)			0.011^b
Posterior type II	23 (41.1)	54 (28.9)
Posterior type III	30 (53.6)	96 (51.3)
Anterior type III	0	12 (6.4)
Type IV	3 (5.3)	25 (13.4)
Pre-op MRI (%)	0	11 (5.8)	0.421^b
Pre-op haemoglobin (gm%)	11.70 ± 0.94	11.40 ± 1.36	0.127^a

-test, ^bChi-square test.