The Influence of Age, Sex, and Oral Contraceptives on Human Blood Cholinesterase Activity.
Technical rept. Mar-Jun 74,
EDGEWOOD ARSENAL ABERDEEN PROVING GROUND MD
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The red blood cell and plasma cholinesterase activities of 443 men and 258 women were estimated and the results were tabulated by age, sex, and for the women, by whether or not they were taking oral contraceptives. The findings were premenopausal women have less plasma cholinesterase activity than men of the same age but higher plasma cholinesterase activity than women taking oral contraceptives, red blood cell cholinesterase activity increases with the age of the individual until the sixth decade, and women taking oral contraceptives have more red blood cell activity than other women of the same age.