natural estrogen-based multiphase contraceptive preparation with a synthetic gestagen

摘要

CONTRACEPTIVE PREPARATION MULTIFASE BASED ON NATURAL ESTROGEN WITH A SYNTHETIC MANAGEMENT. The present invention relates to a multiphase contraceptive preparation which is based on a natural estrogen combined with a synthetic gestagen. Conventional anovulant preparations known in the prior art have proven to be reliable and safe in large scale application. The aim of the invention is to provide a preparation that provides increased contraceptive safety for the entire duration of the cycle, improves cyclic bleeding behavior and reduces or excludes side effects such as breast tenderness, headaches, depressive moods and libido disorders. and the like.