Sequential oral contraception and clotting factors.
نویسندگان
چکیده
منابع مشابه
Blood clotting and platelet aggregation during oral progestogen contraception: a follow-up study.
A two-year follow-up study of progestogen-only contraception with chlormadinone acetate indicates no increase of the level of factors VII and X, as found after three cycles with all oestrogen-progestogen oral contraceptives. Clotting factors which were raised with combined preparations became normal after the sixth monthly cycle of progestogen and remained normal during the two-year period of s...
متن کاملEffects of progestogen oral contraception with norethisterone on blood clotting and platelets.
The effects on clotting tests and platelet function of six months' continuous administration of the 19-norsteroid, progestogen-only contraceptive, norethisterone, have been studied in four groups of women. In a group of women who have not previously taken oral contraceptive no acceleration of clotting or platelet factors was found, but in contrast a tendency to reduced coagulability was observe...
متن کاملOestrogen-progestogen oral contraception and blood clotting: a long-term follow-up.
In a long-term study of women taking the combined oestrogen/progestogen oral contraceptives Ortho-Novin and Norinyl-1 the follow-up has been continued for three years and four years respectively.Acceleration of both "intrinsic" and "extrinsic" clotting tests and of specific factor VII and X assays, reported previously at the nine-month stage, persisted throughout the period of study. Accelerati...
متن کاملOral Contraception and Stroke
Background and Purpose A nested case-control analysis of data collected during the prospective Royal College of General Practitioners' Oral Contraception Study was performed to examine the relation between use of oral contraception and risk of stroke. Methods The 253 women who had a first-ever stroke (International Classification of Diseases, eighth revision, codes 4300 to 4389) or amaurosis fu...
متن کاملEpilepsy and oral contraception.
A controlled cross-over trial in 20 epileptic women, receiving regular anticonvulsant therapy showed that an oral contraceptive with a low oestrogen/ progestogen content had no significant effect on the average frequency of fits compared with identical dummy tablets.
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ژورنال
عنوان ژورنال: BMJ
سال: 1969
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.5660.822-b