Abstract: This invention provides a method of contraception which comprises administering to a female of child bearing age for 23-25 consecutive days, a first phase combination of a progestin at a daily dosage of 40-500 &mgr;g trimegestone, 250 &mgr;g-4 mg dienogest, or 250 &mgr;g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 &mgr;g ethinyl estradiol for 3-8 days beginning on day 1 of the menstrual cycle, wherein the same dosage of the progestin and estrogen combination is administered in each of the 3-8 days, a second phase combination of a progeslin at a daily dosage of 40-500 &mgr;g trimegestone, 250 &mgr;g-4 mg dienogest, or 250 &mgr;g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 &mgr;g ethinyl estradiol, for 4-15 days beginning on the day immediately following the last day of administration of the first phase combination, wherein the same dosage of the progestin and estrogen combination is administered in each of

Abstract: This invention provides a method of contraception which comprises administering to a female of child beating age for a combination of a progestin at a daily dosage of 40-500 &mgr;g trimegestone, 250 &mgr;g-4 mg dienogest, or 250 &mgr;g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 &mgr;g ethinyl estradiol for 23-25 days beginning on day 1 of the menstrual cycle, and wherein the same dosage of the progestin and estrogen combination is administered in each of the 23-25 days.

Abstract: This invention provides a method of providing contraception which comprises administering to a female of child bearing age a combination of a non-uterotrophic anti-estrogen and a progestin for 28 days per 28-day menstrual cycle.

Abstract: This invention provides a method of providing contraception which comprises administering to a female of child bearing age a combination of a non-uterotrophic anti-estrogen and a progestin for 28 days per 28-day menstrual cycle.

Abstract: The present invention provides improved devices for inserting solid materials under a tissue, the devices particularly containing a penetration guide means designed to facilitate the implantation by limiting the insertion of the implants to positions under and substantially parallel to the plane of the tissue.

Abstract: This invention provides a method of contraception which comprises administering to a female of child bearing age for 23-25 consecutive days, a first phase combination of a progestin at a daily dosage of 40-500 .mu.g trimegestone, 250 .mu.g-4 mg dienogest, or 250 .mu.g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 .mu.g ethinyl estradiol for 9-13 days beginning on day 1 of the menstrual cycle, wherein the same dosage of the progestin and estrogen combination is administered in each of the 9-13 days, and a second phase combination of a progestin at a daily dosage of 40-500 .mu.g trimegestone, 250 .mu.g-4 mg dienogest, or 250 .mu.g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 .mu.

Abstract: This invention provides a bridged triphasic combination progestin/estrogen oral contraceptive regimen comprising the administration of a contraceptive progestin/estrogen combination for 23-25 days consecutive days beginning on the first day of menses, followed by the administration of an estrogen for 3-5 days following the administration of the estrogen/progestin combination, so that the total period of administration is 28 days per 28 day cycle. Particularly preferred progestins of this invention are trimegestone, dienogest, and drospirenone.

Abstract: This invention provides a method of contraception which comprises administering to a female of child bearing age for 28 consecutive days,a first phase combination of a progestin at a daily dosage equivalent in progestational activity to 40-125 .mu.g levonorgestrel and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 .mu.g ethinyl estradiol for 3-8 days beginning on day 1 of the menstrual cycle, wherein the same dosage of the progestin and estrogen combination is administered in each of the 3-8 days,a second phase combination of a progestin at a daily dosage equivalent in progestational activity to 40-125 .mu.g levonorgestrel and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 .mu.