Background: Preeclampsia is the most frequent cause of abnormal liver function parameters in pregnancy. The role of liver enzymes in predicting pregnancy outcome and complications has been studied. However, no consensus on their predictive potential has been reached. Aim: The aim of this study is to determine the predictive capability of liver function tests on outcome and complications of preeclampsia in University of Ilorin Teaching Hospital. Objectives: To determine and compare serum levels of AST, ALT, ALP, GGT, LDH, bilirubin and albumin in preeclamptics and healthy pregnant women in UITH, and to determine the correlation between the parameters above with severity of preeclampsia, as well as their predictive values in fetomaternal outcomes. Methods: The study was conducted in the department of Obstetrics and Gynaecology of the University of Ilorin Teaching Hospital. A prospective and comparative study and patient selection was purposive sampling with set diagnostic, inclusion and exclusion criteria. Preeclampsia was defined as blood pressures of ≥140/90 mmHg on at least 2 readings in the second half of pregnancy, and proteinuria of ≥ 2+ . Data included sociodemographic characteristics, parity, past and index obstetric history. Laboratory parameters AST, ALT, ALP, GGT, LDH, bilirubin and albumin were recorded. Both subjects and controls were followed up till delivery for perinatal and maternal outcome.