Depot preparations in an oily, unsaturated solution for intramuscular injection

摘要

In order to prolong the effectiveness of depot preparations of progestagens in an oily, unsaturated solution for intramuscular injection having long-term effectiveness sufficient for a desired purpose, the volume of the injection solution is increased such that the duration of the progestational activity is increased to at least 13 weeks while retaining the same quantity of active agent to be administered.