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HELLP syndrome is a complication of *******cy; the acronym stands for hemolysis, elevated liver enzymes, and low platelet count. It usually begins during the last three months of *******cy or shortly after childbirth. Symptoms may include feeling tired, retaining fluid, headache, nausea, upper right abdominal pain, blurry vision, nosebleeds, and seizures. Complications may include disseminated intravascular coagulation, placental abruption, and kidney failure.The cause is unknown. The condition occurs in association with pre-eclampsia or eclampsia. Other risk factors include previously having the syndrome and a mother older than 25 years. The underlying mechanism may involve abnormal placental development. Diagnosis is generally based on blood tests finding signs of red blood cell breakdown (lactate dehydrogenase greater than 600 U/L), an aspartate transaminase greater than 70 U/L, and platelets less than 100×109/l. If not all the criteria are present, the condition is incomplete.Treatment generally involves delivery of the baby as soon as possible. This is particularly true if the *******cy is beyond 34 weeks of gestation. Medications may be used to decrease blood pressure and blood transfusions may be required.HELLP syndrome occurs in about 0.7% of *******cies and affects about 15% of women with eclampsia or severe pre-eclampsia. Death of the mother is uncommon (< 1%). Outcomes in the babies are generally related to how premature they are at birth. The syndrome was first named in 1982 by American gynaecologist Louis Weinstein.