Abstract. The term (PIH) pregnancy induced hypertension is defined as hypertension that direct result of gravid state it includes gestational hypertension, pre-eclampsia, eclampsia. as we know pre-eclampsia is a complication of the last trimester of pregnancy that effect 2-8% of all pregnant women, it is a multi-systemic disorder with unknown etiology, characterized by hypertension (BP ≥ 140 /90 mmHg) with protein urea (more than > 0.3g) after 20th week of gestations in previous normotensive and normoproteinuric women. Some of the edema is normal during pregnancy thus edema exclude Frome the diagnostic criteria unless it is pathological. The Features of pre-eclampsia may appear even before 20th weeks of gestation as in cases of hydatidiform mole or poly hydramnios. Pre-eclampsia is one of the leading causes of maternal morbidity and mortality globally, As estimated by WHO the prevalence of pre-eclampsia is seven-fold higher in developing countries as compared to developed countries. The prevalence of Pre-Eclampsia ranges between 1.8 - 16.7% in developing countries.