USE AND APPLICATION REGIMEN OF A PHARMACEUTICAL COMPOSITION CONTAINING LEVONORGESTREL AND A COX INHIBITOR FOR ON-DEMAND CONTRACEPTION

摘要

The invention relates to a method for hormonal female controlled on-demand contraception, wherein a pharmaceutical preparation containing a COX inhibitor and levonorgestrel is taken on-demand before expected sexual intercourse. The invention further relates to pharmaceutical compositions and an application regimen for on-demand contraception.