Laboratory

1. Platelet count, creatinine, urine protein, and liver enzymes, should be repeated once or twice weekly in women with mild stable preeclampsia. Protein excretion can be quantified with a protein-to-creatinine ratio.

2. A rising hematocrit suggests progression to more severe disease, while a falling hematocrit may be a sign of hemolysis. An elevated lactic acid dehydrogenase (LDH) concentration is a better sign of hemolysis, and a marker of severe disease or HELLP syndrome (ie, Hemolysis, Elevated Liver enzymes, Low Platelets). Hemolysis can be confirmed by observation of schistocytes on a blood smear.

Indications for Delivery in Preeclampsia

Maternal indications

Gestational age greater than or equal to 38 weeks of gestation Platelet count less than 100,000 cells per mm3 Deteriorating liver function Progressive deterioration in renal function Abruptio placentae Persistent severe headaches or visual changes Persistent severe epigastric pain, nausea, or vomiting

Fetal indications

Severe fetal growth restriction Nonreassuring results from fetal testing

Oligohydramnios

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