Inflammatory Abruption


D efinition Early separation of the placental disk from the underlying maternal surface.

Clinical Features

Epidemiology

  • Placental abruption is a relatively common event, with an overall incidence of 1%.

  • Numerous predisposing factors are thought to lead to abruption but the focus recently has been on chronic inflammatory changes such as infarcts, decidual necrosis, and inflammation in the membranes and cord vessels. Bleeding early in pregnancy is also a risk factor.

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