Circulating immune complexes in hypertensive disease of pregnancy.

Circulating immune complexes in the blood of patients with hypertensive diseases of pregnancy were investigated. Sixty women with pregnancies between 30 and 40 weeks were studied. Of these patients, 22 were normal, 18 developed preeclampsia, 2 developed eclampsia, 14 had essential hypertension, and four had hypertension of renal origin.