Multistage preparation for contraception based on natural estrogens
作者： Michael Dittgen , Sabine Fricke , Herbert Hoffmann , Claudia Moore , Michael Oettel
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摘要: A multistage preparation for contraception based on a combination of natural estrogen and synthetic gestogen is described. The preferred contains estradiol valerate as the dienogest or drospirenone gestogen. In comparison to conventional preparations according invention has higher contraceptive reliability over entire cycle, improved cyclic bleeding behavior minimizes prevents side effects, such breast tension, headaches, depressive moods libido changes.
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