RISK FACTORS FOR THE

DEVELOPMENT OF PREGNANCY

INDUCED HYPERTENSION

Factor Risk Ratio
Nulliparity 3:1
Age > 40 years 3:1
African-American race 1.5:1
Family History of PIH 5:1
Chronic Hypertension 10:1
Chronic Renal Failure 20:1
Diabetes Mellitus 2:1
Twin gestation 4:1
Angiotensinogen gene T235

Homozygous

Heterozygous

20:1

4:1



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