The invention relates to a multi-phase contraceptive preparation that is based on a natural estrogen combined with a synthetic gestagen. Conventional anovulant preparations known in the prior art haveproven to be reliable and safe in large-scale application. The aim of the invention is to provide a preparation that offers a higher contraceptive safety over the entire duration of the cycle, improves the cyclic bleeding behavior, and reduces or excludes side-effects, such as tender breasts, headaches, depressive moods, and libido disorders and the like.