| abstract |
A method of contraception is described comprising the step of administering to a menstruating female a cycle of contraceptive therapy, said cycle of therapy including, for at most 35 successive days, the administration of a combination of an estrogen and a progestogen in a contraceptively effective daily dosage wherein said progestogen is a potent sulfatase inhibiting progestogen and said cycle of therapy including 4-8 days in which said progestogen is administered in the absence of estrogen administration following said at most 35 successive days. |