Does cigarette smoking alter platelet aggregation in women receiving the contraceptive pill?

Crooks, G.; Copeland, S.; Johnston, G.D.

Ulster Medical Journal 57(2): 177-180

1988


ISSN/ISBN: 0041-6193
PMID: 3232253
Document Number: 374903
Platelet aggregation was examined in a group of 35 nonsmokers and 15 smokers who were receiving oral contraceptives (OC; 30 mcg ethinyl estradiol and norgestrel or norethisterone). Platelet aggregation induced by ATP was greater after 4-6 months' use of OCs in both groups, and there was no difference between the 2 groups. The increased risk of thromboembolic in smokers on OCs would appear to be unrelated to the effects on platelets.

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