Ethinylestradiol har været meget brugt i orale antikonceptionsmidler i mange år, og norelgestromin ligner i høj grad et andet progestogen, der også anvendes i orale antikonceptionsmidler.
Ethinyl estradiol has been in use extensively in oral contraceptives for many years, and norelgestromin is very similar to another progestogen, which is also used in some oral contraceptives.