Hormone replacement therapy kit and / or contraceptive use of daily dosage units consisting essentially of a progestogen and process of preparing a drug delivery system

摘要

Disclosed is a contraceptive and/or HRT (hormone replacement therapy) kit comprising sequential daily dosage units each containing as the sole contraceptively effective ingredient of a progestogen, or as effective ingredient for HRT a progestogen with or without an estrogen or an estrogen only, and further two or more dosage units comprising an anti-progestogen. One of the anti-progestogen is administered at the beginning and the others regularly divided throughout the cycle, preferably one only in the middle of the cycle.