Regimens for Oral Monophasic Contraceptives

1 . A method of human female contraception which comprises:

(i) administering a monophasic oral contraceptive dosage unit once a day starting on numerical date ‘m+4’ of a month continuously until numerical date ‘m’ of the following month; and

(ii) not administering the monophasic oral contraceptive dosage unit in the numerical dates between ‘m’ and ‘m+4’;

wherein ‘m’ is a numerical date of a month from 1-24 and wherein the method is repeatedly carried out for at least two cycles.

2 . A method of human female contraception which comprises:

(i) administering a monophasic oral contraceptive dosage unit once a day starting on numerical date ‘y+5’ of a month continuously until numerical date ‘5’ of the following month; and

(ii) not administering the monophasic oral contraceptive dosage unit in the numerical dates between ‘y’ and ‘y+5’;

wherein ‘y’ is a numerical date of a month from 1-23 and wherein the method is repeatedly carried out for at least two cycles.

3 . A method of human female contraception which comprises:

(i) administering a monophasic oral contraceptive dosage unit once a day starting on numerical date ‘z+6’ of a month continuously until numerical date ‘z’ of the following month; and

(ii) not administering the monophasic oral contraceptive dosage unit in the numerical dates between ‘z’ and ‘z+6

wherein ‘z’ is a numerical date of a month from 1-22 and wherein the method is repeatedly carried out for at least two cycles.

4 . A method of human female contraception which comprises:

(i) administering a monophasic oral contraceptive dosage unit once a day starting on numerical date ‘p+7’ of a month continuously until numerical date ‘p’ of the following month; and

(ii) not administering the monophasic oral contraceptive dosage unit in the numerical dates between ‘p’ and ‘p+7

wherein ‘p’ is a numerical date of a month from 1-21 and wherein the method is repeatedly carried out for at least two cycles.

5 . The method according to claim 1 wherein the monophasic oral contraceptive dosage unit is a pill.

6 . The method according to claim 1 wherein the monophasic oral contraceptive dosage unit is a puff from a spray device.

7 . The method according to claim 1 wherein the dosage unit comprises an estrogen and a progestogen.

8 . The method according to claim 7 wherein the progestogen is desogestrel or etonogestrel and the estrogen is estradiol or a salt thereof or an ester thereof or the estrogen is ethinyl estradiol.

9 . The method according to claim 7 wherein the progestogen is nomegestrol acetate and the estrogen is estradiol or a salt thereof or an ester thereof or the estrogen is ethinyl estradiol.

10 . A contraceptive kit for human female contraception which comprises a reservoir containing monophasic oral contraceptive dosage units sufficient for at least any two cycles of contraception, one dosage unit to be administered each day starting on numerical date ‘m+4’ of a month and stopping on numerical date ‘m’ of the following month wherein ‘m’ is a numerical date of a month from 1-24.

11 . A contraceptive kit for human female contraception which comprises a reservoir containing monophasic oral contraceptive dosage units sufficient for at least any two cycles of contraception, one dosage unit to be administered each day starting on numerical date ‘y+5’ of a month and stopping on numerical date ‘y’ of the following month wherein ‘y’ is a numerical date of a month from 1-23.

12 . A contraceptive kit for human female contraception which comprises a reservoir containing monophasic oral contraceptive dosage units sufficient for at least any two cycles of contraception, one dosage unit to be administered each day starting on numerical date ‘z+6’ of a month and stopping on numerical date ‘z’ of the following month wherein ‘z’ is a numerical date of a month from 1-22.

13 . A contraceptive kit for human female contraception which comprises a reservoir containing monophasic oral contraceptive dosage units sufficient for at least any two cycles of contraception, one dosage unit to be administered each day starting on numerical date ‘p+7’ of a month and stopping on numerical date ‘p’ of the following month wherein ‘p’ is a numerical date of a month from 1-21.

14 . The kit according to claim 10 wherein the dosage unit is a pill.

15 . The kit according to claim 10 wherein the dosage unit is a puff from a spray device.

16 . The kit according to claim 10 wherein the dosage unit comprises an estrogen and a progestogen.

17 . The kit according to claim 16 wherein the progestogen is desogestrel or etonogestrel and the estrogen is estradiol or a salt thereof or an ester thereof or the estrogen is ethinyl estradiol.

18 . The kit according to claim 16 wherein the progestogen is nomegestrol acetate and the estrogen is estradiol or a salt thereof or an ester thereof or the estrogen is ethinyl estradiol.

19 . A reminder system for a dosage regimen for a reservoir containing daily monophasic oral contraceptive dosage units comprising choosing one particular numerical date of a month from 1-24, independent of the month, as the numerical date on which administration of a daily dosage unit is always stopped and starting administration of a dosage unit again four days later.

20 . A reminder system for a dosage regimen for a reservoir containing daily monophasic oral contraceptive dosage units comprising choosing one particular numerical date of a month from 1-23, independent of the month, as the numerical date on which administration of a daily dosage unit is always stopped and starting administration of a dosage unit again five days later.

21 . A reminder system for a dosage regimen for a reservoir containing daily monophasic oral contraceptive dosage units comprising choosing one particular numerical date of a month from 1-22, independent of the month, as the numerical date on which administration of a daily dosage unit is always stopped and starting administration of a dosage unit again six days later.

22 . A reminder system for a dosage regimen for a reservoir containing daily monophasic oral contraceptive dosage units comprising choosing one particular numerical date of a month from 1-21, independent of the month, as the numerical date on which administration of a daily dosage unit is always stopped and starting administration of a dosage unit again seven days later.

23 . The reminder system according to claim 19 wherein the dosage unit is a pill.

24 . The reminder system according to claim 19 wherein the dosage unit is a puff from a spray device.

25 . A contraceptive regimen wherein hormones are administered for a defined duration, characterized in that cycle duration varies such as to correspond with the number of the days of the month in which the cycle is started.