Disclosed is a method for contraception comprising administering a contraceptively effective amount of a pharmaceutical composition comprising trimegestone in combination with 5.0 to 55 ìg of ethinyloestradiol to a woman of child-bearing age on at least 21 successive days, beginning on day 1 of the menstrual cycle, wherein the daily dose of trimegestone is more than 500 ìg and is identical on each of the at least 21 successive days. Further disclosed is a solid pharmaceutical composition comprising trimegestone in a quantity of more than 500 ìg in combination with 5.0 to 55 ìg of ethinyloestradiol and further comprising oestradiol.
