Term PIHS is an acute or specific hypertension of pregnancy which is peculiar to pregnant or puerperal women Diagnosis of PIHs is made on the basis of development of hypertension with or without proteinuria, edema or both after the twentieth week of gestation although the signs and symptoms may appear earlier with hydatidiform molesTerm : PIHs is an acute or specific hypertension of pregnancy which is peculiar to pregnant or puerperal women .Diagnosis of PIHs is made on the basis of development of hypertension with or without proteinuria ,edema ,or both after the twentieth week of gestation ,although the signs and symptoms may appear earlier with hydatidiform moles