The document discusses intrauterine fetal demise (IUFD), defined as the death of a fetus weighing over 500g or over 24 weeks gestation before the onset of labor. It notes that the cause is unknown in 25-60% of cases. Identifiable causes include maternal conditions like diabetes or hypertension, fetal conditions like birth defects or infections, and placental conditions like abruption or insufficiency. Evaluation of an IUFD involves examining the mother's medical history and current pregnancy, evaluating the stillborn infant, investigating the placenta, and certain laboratory tests. Management depends on factors like gestation, number of fetuses, and the parents' wishes regarding expectant or active management such as labor induction. Complications can