OBJECTIVE To determine whether the ratio of first-trimester aspartate aminotransferase (AST) to platelet index (APRI) score will be useful as a new determinant hemolysis, elevated liver enzymes, low platelets (HELLP) syndrome that may develop in later stages pregnancy Study Design: Descriptive-analytical study. PLACE AND DURATION OF STUDY Perinatology Clinic Etlik Zubeyde Hanim Maternity and Wo...