CONTRACEPTIVE COMBINED PREPARATION, KITS CONTAINING THE SAME AND CONTRACEPTIVE METHOD USING THIS COMBINED PREPARATION

摘要

This invention relates to a multi-phase combination preparation that contains at least 28 daily dosage units: with a first phase of at least 21 initial daily dosage units, containing a competitive progesterone antagonist in a dosage which inhibits ovulation during the first above-named phase; and a second phase of 5 to 28 daily dosage units, in which each dosage unit of this second phase contains a gestagen, as well as a corresponding package (contraceptive kit) that contains this combination preparation and a contraceptive method which uses the combination preparation above.