<unk> , sold under the brand name Ella among others, is a medication used for emergency contraception (birth control) and uterine fibroids. As emergency contraception it should be used within 120 hours of vaginally penetrating intercourse. For fibroids it may be taken for up to six months. It is taken by mouth. Common side effects include headache, nausea, feeling tired, and abdominal pain. It should not be used in people who are already pregnant. It is in the selective progesterone receptor modulator (SPRM) class of medications. It works by preventing the effects of progesterone thus stopping ovulation.<unk>  was approved for medical use in the United States in 2010. It is on the World Health Organization's List of Essential Medicines.
Ulipristal acetate
Macimorelin
Linagliptin
Saxagliptin
Sitagliptin
Liraglutide
Vildagliptin
Lumacaftor