Background: Thrombocytopenia is the second most common hematologic abnormality after anemia during pregnancy and is usually a benign condition. Thrombocytopenia affects 7% to 10% of all pregnant women. All pregnant women with platelet counts less than 100000/mm3 require careful hematological and obstetric consultation to rule out other more serious disorders. Objectives: To study the various etiological factors associated the effect and outcome of the mother and neonates born, to study the Management in pregnancy. Methods: The study was conducted in this tertiary institute over a period of two years and three months. 130 pregnant patients with a platelet count of or less than 100000/mL were included. The course of pregnancy was studied and the investigation profile and maternal and fetal outcome was monitored.