| 摘要 |
<p>PURPOSE: A monophasic combination progestin/estrogen oral contraceptive regimen for females of child-bearing age provides effective contraception, good cycle control, and minimal side effects while greatly reducing the total contraceptive steroid administered (particularly the estrogenic component) per 28day cycle. CONSTITUTION: A method of contraception is provided, which comprises administering to a female of child bearing age for a combination of a progestin at a daily dosage of 40-500 microgram trimegestone, 250 microgram - 4 mg dienogest, or 250 microgram - 4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 microgram 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.</p> |
