Southern medical journal
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Kidney disease and pregnancy may exist in two general settings: acute kidney injury that develops during pregnancy, and chronic kidney disease that predates conception. In the first trimester of pregnancy, acute kidney injury is most often the result of hyperemesis gravidarum, ectopic pregnancy, or miscarriage. In the second and third trimesters, the common causes of acute kidney injury are severe preeclampsia, hemolysis-elevated liver enzymes-low platelets syndrome, acute fatty liver of pregnancy, and thrombotic microangiopathies, which may pose diagnostic challenges to the clinician. ⋯ In women with preexisting kidney disease, pregnancy-related outcomes depend upon the degree of renal impairment, the amount of proteinuria, and the severity of hypertension. Neonatal and maternal outcomes in pregnancies among renal transplant patients are generally good if the mother has normal baseline allograft function. Common renally active drugs and immunosuppressant medications must be prescribed, with special considerations in pregnant patients.