Long-term experience with a low-dose oral contraceptive

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Abstract
Oral contraception has proved to be the most efficient reversible method of fertility control for over 25 years. During this period, various investigations and epidemiological studies have suggested that some risks may be involved, but, on the other hand, a number of non-contraceptive benefits have become obvious. The results of these investigations were taken into account when new formulations had to be developed, with an aim to improving hormonal fertility control with regard to its tolerance, cycle control, and impact on metabolism. Since then, the objective of research has been to contrive new hormonal contraceptives which ensure safety to the largest possible extent, from a medical point of view, for the sake of the patient, without affecting contraceptive effectiveness. The aim to reduce side-effects connected with the use of oral contraception, as well as to lower the risks possibly involved, has obviously been achieved by extensive research. Both by devising a new substance and reducing doses, the criteria of modern low-dose oral contraception have been met, as has become evident in the course of the clinical experience gathered with Femovan.