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. Author manuscript; available in PMC: 2024 May 1.
Published in final edited form as: Am J Perinatol. 2022 Nov 8;40(7):704–710. doi: 10.1055/a-1974-4449

Table 4.

Cause and timing of true cases of severe maternal morbidity (n = 56 women with 106 events)a

Cause of severe maternal morbidity (AGOG/SMFM Criteria) Total events (n = 106) Antepartum (n = 16) Intrapartum (n = 21) Postpartum (n = 69)
Hemorrhage (i.e., ≥4 U PRBCs, unplanned hysterectomy) 29 (27) 0 19 (90) 10(15)
Hypertension (i.e., liver capsular rupture, continuous infusion of antihypertensive medication) 12(11) 5 0 7(10)
Neurologic (i.e., eclampsia, stroke) 9 (8.5) 6 0 2 (2.9)
Renal (i.e., Cr ≥ 2.0 with no pre-existing renal disease, dialysis) 4(3.8) 0 0 4(5.8)
Sepsis (i.e., infection with pressor support) 3 (2.8) 0 0 3 (4.3)
Pulmonary (i.e., use of a ventilator, venous thromboembolism) 13 (12) 2 0 11 (16)
Cardiac (i.e., arrhythmia requiring medication) 2(1.9) 0 0 2 (2.9)
ICU for treatment 27 (25) 2 0 25 (36)
Surgical complications (i.e., bowel or bladder injury beyond serosal tear) 4(3.8) 0 2 (9.5) 2 (2.9)
Anesthesia complications (i.e., total spinal anesthesia, aspiration pneumonia) 3 (2.8) 0 2 (9.5) 1

Abbreviation: Cr, creatinine; ICU, intensive care unit; PRBCs, packed red blood cells.

a

Women had more than one morbidity and thus there are a total of 106 events.