Table 1.

Categories of potentially preventable stillbirth

Category	Definition
Intrapartum	Fetal cardiac activity present on admission with stillborn infant
Maternal medical complications	Diabetes mellitus, gestational diabetes, chronic hypertension, antiphospholipid syndrome, systemic lupus erythematosus
Hypertensive disorders of pregnancy	Gestational hypertension, pre-eclampsia
Placental insufficiency	Abnormal placental pathology findings (small, fibrin, infarcts, thrombotic vasculopathy), fetal growth restriction
Multiple gestation	Otherwise uncomplicated multiple gestation (excluded TTTS*, TRAP†, monoamniotic pregnancies)
Preterm birth	PPROM‡, preterm labor, chorioamnionitis

^*: Twin-twin transfusion syndrome

^†: Twin reversed arterial perfusion syndrome

^‡: Preterm prelabor rupture of membranes