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Blood viscosity and its major determinants (hematocrit, plasma fibrinogen, and plasma viscosity) were measured in 25 men, 25 women who were not using oral contraceptives, and 25 women who had been using oral contraceptives for at least 3 months. Mean blood viscosity and hematocrit were significantly higher in women using oral contraceptives than in women who were not (p < 0.001), and use of oral contraceptives abolished the normal sex difference in blood viscosity and hematocrit. After correction to a standard hematocrit of 45%, blood viscosity was still higher in users or oral contraceptives, as was plasma fibrinogen (p < 0.05). Plasma viscosity was not significantly increased in users of oral contraceptives.
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
March 1973,
Fortschritte der Neurologie, Psychiatrie, und ihrer Grenzgebiete,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
November 1967,
Archives of internal medicine,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
August 1971,
American journal of obstetrics and gynecology,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
November 2008,
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G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
April 2016,
Environmental toxicology and pharmacology,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
March 2019,
Psychoneuroendocrinology,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
January 2010,
Nederlands tijdschrift voor geneeskunde,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
May 1976,
The Journal of laboratory and clinical medicine,
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
January 1970,
Lancet (London, England),
G D Lowe, and
M M Drummond, and
C D Forbes, and
J C Barbenel
May 1970,
Lancet (London, England),
