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Estrostep is the brand name for a female combined oral contraceptive pill, distributed by Warner Chilcott.
Additional recommended knowledge
It is the first of its kind in that it is the only oral contraceptive that changes estrogen levels while keeping progestin levels constant. The estrogen doses are as follows: 20 mg for 5 days, 30 for 7 days and 35 for 9 days. In addition, the 7 placebo pills contain iron to help replace what is lost during the "pill period." Studies have shown that it helps significantly with acne. 
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Estrostep". A list of authors is available in Wikipedia.|