Classification of hypertensive disorders in pregnancy

Hypertension is a common disorder of pregnancy. Hypertension may appear for the first time during pregnancy as a direct result of the gravida state.

Classification of hypertensive disorders in pregnancy :-

A. Pregnancy induced hypertension (PIH) -

   1. Gestational hypertension - without protein-urea or pathological edema.
                    2. Preeclampsia - hypertension and protein-urea with or without edema.
                         3. Eclampsia - preeclampsia complicated with convulsion and/or coma.

B. Chronic hypertension -

1. Essential hypertension.
2. Chronic renal disease (renovascular).
3. Coarctation of aorta.
4. Pheochronocytoma.
5. Thyrotoxkosis.
6. Preeclampsia or eclampsia superimposed on chronic hypertension.