The objective of this study was to proof that pregnancy with low sociaeconomic status using elevation haemoglobin and hematocrit as parameter is one of predisposition factor of severe preeclamsia. The study was done in the Departement of Obstetry and Gynecology of Moewardi Hoapital in Surakarta. The design was a pospective observational study prospective with cross sectioal aproach. These are 2…