Table 3.

Potentially preventable cases of stillbirth by gestational age

	24 0/7 – 27 6/7 weeks n cases (%)*	28 0/7 – 31 6/7 weeks n cases (%)*	32 0/7 – 36 6/7 weeks n cases (%)*	37 0/7 – 41 6/7 weeks n cases (%)*	P-value
Total	22 (19.3%)	21 (18.4%)	32 (28.1%)	39 (34.2%)
Maternal medical complications	6 (5.3%)	7 (6.1%)	10 (8.8%)	8 (7.0%)	0.67
Chronic HTN†	3 (2.6%)	6 (5.3%)	4 (3.5%)	0 (0%)
Diabetes Mellitus	2 (1.8%)	1 (0.9%)	4 (3.5%)	6 (5.3%)
APS‡	2 (1.8%)	0 (0%)	2 (1.8%)	2 (1.8%)
Placental Insufficiency	14 (12.3%)	12 (10.5%)	18 (15.8%)	21 (18.4%)	0.91
Hypertensive disorders of pregnancy	5 (4.4%)	5 (4.4%)	5 (4.4%)	5 (4.4%)	0.64
Gestational HTN†	3 (2.6%)	0 (0%)	2 (1.8%)	2 (1.8%)
Pre-eclampsia	2 (1.8%)	5 (4.4%)	3 (2.6%)	3 (2.6%)
Multiple gestation	1 (0.9%)	1 (0.9%)	1 (0.9%)	1 (0.9%)	0.96
Preterm birth	5 (4.4%)	1 (0.9%)	3 (2.6%)	7 (6.1%)	0.27
PPROM or PTL§	2 (1.8%)	1 (0.9%)	1 (0.9%)	0 (0%)
Infection	3 (2.6%)	0 (0%)	2 (1.8%)	7 (6.1%)
Intrapartum	3 (2.6%)	0 (0%)	4 (3.5%)	2 (1.8%)	0.92

^*: Percentage of potentially preventable stillbirths

^†: Hypertension

^‡: Antiphospholipid antibody syndrome

^§: Preterm prelabor rupture of membranes or Preterm labor

^‖: N = 114 potentially preventable stillbirth cases as denominator for percentage calculation