Ase Victoria (Emergency Contraceptive Pill) What it is: Ase Victoria is a brand name for a Levonorgestrel 1.5 mg tablet, which is a type of emergency contraceptive pill. How it works: It works by preventing or delaying the release of an egg from the ovary and altering cervical mucus, making it harder for sperm to reach the egg and preventing implantation. When to use it: It is used to prevent pregnancy after unprotected sex or when a regular contraceptive fails.