Epidemiology and Prognosis
Acute fatty liver of pregnancy is a rare condition and occurs in approximately one in 7,000 to one in 15,000 pregnancies. The mortality from acute fatty liver of pregnancy has been reduced significantly to 18%, and is now related primarily to complications, particularly DIC and infections. After delivery, most mothers do well, as the stimulus for fatty acid overload is removed. The disease can recur in future pregnancies, with a calculated genetic chance of 25%; the actual rate is lower, however. Mortality of the fetus has also diminished significantly, but still remains 23%, and may be related to the need for premature delivery.
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