Oral contraceptive preparation having a first phase...

Details Oral contraceptive preparation having a first phase... Oral contraceptive preparation having a first phase...

A - Human Necessities

61

K

A61K 31/56 (2006.01) A61K 31/565 (2006.01)

Patent

CA 2301162

This invention provides a method of contraception which comprises administering to a female of child bearing age for 28 days per menstrual cycle a combination of a progestin at a daily dosage equivalent to 30-150 µg levornorgestrel and an estrogen at a daily dosage equivalent to 10-20 µg ethinyl estradiol for 23-25 days beginning on day 1 of the menstrual cycle, followed by administering a progestin at a daily dosage equivalent to 10-100 µg levornorgestrel for 3-5 days.

Cette invention concerne un procédé de contraception consistant à administrer à une femme en âge de procréer, pendant 23-25 jours à partir du premier jour du cycle menstruel, une combinaison de progestine à une posologie quotidienne équivalente à 30-150 µg de lévonorgestrel et d'un oestrogène à une posologie quotidienne équivalente à 10-20 µg d'éthinyloestradiol, puis à administrer pendant 3-5 jours une progestine à une posologie quotidienne équivalente à 10-100 µg de lévonorgestrel, la durée totale d'administration étant de 28 jours par cycle menstruel.

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