TABLE 1.

Classification system for postpartum complications

Major diagnostic category	Condition-specific diagnostic category
Hypertension-related	Hypertensive disorders, including uncontrolled blood pressure, eclampsia and hypertensive encephalopathy Acute cardiovascular disease, including heart failure, cardiomyopathy, myocardial infarction, ventricular fibrillation/flutter and cardiac arrest/cardiogenic shock Acute cerebrovascular disease, including stroke, intracranial haemorrhage and carotid/vertebral artery dissection Acute renal insufficiency or failure
Other, clinically related to childbirth hospitalization	Anaesthesia complications Bleeding risk/complications, including blood loss anaemia, haemorrhage, coagulation defects and/or retained products of conception Perineal complication (including vulvar, urethral, vaginal or cervical infection or inflammation) or surgical wound complication, infection, management (excluding uterine infection) Uterine infection, pelvic inflammatory disease, peritonitis Urinary tract infection, including pyelonephritis Other urinary dysfunction (including obstruction, retention, incontinence) Uncontrolled pain Constipation, haemorrhoids
Other, not clinically related to childbirth hospitalization	Venous thromboembolism (excluding stroke and myocardial infarction) Psychiatric disease, including substance abuse Poor glycaemic control/diabetic complications Breast infections/Lactation complications Gallbladder disease/pancreatitis Acute respiratory distress/failure Upper respiratory infection Cellulitis Appendicitis Bacteraemia/sepsis not otherwise specified Fever (unspecified) Malaise/Fatigue, Sleep disturbance Family planning/contraception Nonspecific postpartum diagnosis