Use of estetrol as emergency contraceptive

摘要

#$%^&*AU2017203991B220190314.pdf#####ABSTRACT The present invention relates to a new use of tetrahydroxylated estrogens such as estetrol (1,3,5(10)-estratrien-3, 15a, 16a, 17p-tetrol), namely in a method of emergency contraception. The method of emergency contraception according to the invention 5 comprises the oral administration of estetrol in a single dose within 120 hours of sexual intercourse.