The British journal of general practice : the journal of the Royal College of General Practitioners
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So far, no-one has attempted to evaluate the overall balance of serious, but not necessarily fatal, disease among a cohort of oral contraceptive users. ⋯ Past users of older, higher dose oral contraceptives can be reassured that the small increased risk of serious disease seen during current use does not persist after stopping, and that latent effects do not appear later in life. Currently available oral contraceptives, containing less than 50 micrograms of oestrogen accompanied by the progestogen, levonorgestrel, or norethisterone acetate, do not appear to be associated with an increased net risk of serious disease.