Types of hypertension in pregnancy
Classification of hypertension in pregnancy:
A. Gestational Hypertension- without proteinuria or pathological edema
B. Preeclampsia – Hypertension and proteinuria with or without edema
C. Eclampsia – Pre-eclampsia complicated with convulsion and/or coma
D. Chronic Hypertension:
a. Essential hypertension
b. Chronic Renal Disease
c. Coarctation of Aorta
f. Connective tissue disorders like SLE
E. Pre-eclampsia or eclampsia superimposed on chronic hypertension.
Pregnancy Induced Hypertension ( PIH) is defined as hypertension that develops as a direct result of gravid state. Includes: Gestational Hypertension, Pre-eclampsia and Eclampsia.
PIH: Primary 70%
Pre-eclampsia superimposed on Chronic Hypertension
Pre-eclampsia superimposed on Chronic renal disease
Pre-eclampsia : is a multisystem disorder characterized by development of hypertension to the extent of 140/90 mm Hg or more with proteinuria after 20th week in a previously normotensive and non-proteinuric patient.
Eclampsia: Pre-eclampsia when complicated with convulsion and / or coma.
Gestational Hypertension: A sustained rise of Blood pressure to 140/90mmHg or more on atleast 2 occasions 4 or more hours apart beyond the 20th week of pregnancy or during the first 24 hours after the delivery in a previously normotensive woman is called gestational hypertension.